EP3326998A1 - Compound for organic electric element, organic electric element comprising the same, and electronic device thereof - Google Patents
Compound for organic electric element, organic electric element comprising the same, and electronic device thereof Download PDFInfo
- Publication number
- EP3326998A1 EP3326998A1 EP17789860.8A EP17789860A EP3326998A1 EP 3326998 A1 EP3326998 A1 EP 3326998A1 EP 17789860 A EP17789860 A EP 17789860A EP 3326998 A1 EP3326998 A1 EP 3326998A1
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- EP
- European Patent Office
- Prior art keywords
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- synthesis
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- ring
- compound
- Prior art date
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 41
- 125000003118 aryl group Chemical group 0.000 claims description 38
- 125000005842 heteroatom Chemical group 0.000 claims description 30
- 125000001424 substituent group Chemical group 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 21
- 125000000623 heterocyclic group Chemical group 0.000 claims description 21
- 239000011368 organic material Substances 0.000 claims description 21
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 claims description 20
- 229910052717 sulfur Inorganic materials 0.000 claims description 20
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 15
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 14
- 229910052805 deuterium Inorganic materials 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 13
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 230000005525 hole transport Effects 0.000 claims description 12
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 claims description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 125000006649 (C2-C20) alkynyl group Chemical group 0.000 claims description 9
- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 150000002367 halogens Chemical class 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 125000003342 alkenyl group Chemical group 0.000 claims description 8
- -1 fused ring group Chemical group 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 7
- 125000004104 aryloxy group Chemical group 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 125000000732 arylene group Chemical group 0.000 claims description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical group [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 5
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 4
- 125000006761 (C6-C60) arylene group Chemical group 0.000 claims description 4
- 125000005567 fluorenylene group Chemical group 0.000 claims description 4
- 125000005373 siloxane group Chemical group [SiH2](O*)* 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 238000003618 dip coating Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims description 2
- 238000007641 inkjet printing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 238000004528 spin coating Methods 0.000 claims description 2
- 150000003413 spiro compounds Chemical class 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 214
- 238000003786 synthesis reaction Methods 0.000 description 213
- 239000010410 layer Substances 0.000 description 87
- 239000000047 product Substances 0.000 description 79
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 66
- 229910001868 water Inorganic materials 0.000 description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 45
- NFHFRUOZVGFOOS-UHFFFAOYSA-N Pd(PPh3)4 Substances [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 33
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 30
- 238000006243 chemical reaction Methods 0.000 description 26
- 125000004432 carbon atom Chemical group C* 0.000 description 25
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 24
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 22
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 20
- ABRVLXLNVJHDRQ-UHFFFAOYSA-N [2-pyridin-3-yl-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound FC(C1=CC(=CC(=N1)C=1C=NC=CC=1)CN)(F)F ABRVLXLNVJHDRQ-UHFFFAOYSA-N 0.000 description 20
- IPWKHHSGDUIRAH-UHFFFAOYSA-N bis(pinacolato)diboron Chemical compound O1C(C)(C)C(C)(C)OB1B1OC(C)(C)C(C)(C)O1 IPWKHHSGDUIRAH-UHFFFAOYSA-N 0.000 description 20
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 19
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 19
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 18
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 18
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 14
- 0 CC(C)(*)C(C)(C)OBB1OC(C)(C)C(C)(C)O1 Chemical compound CC(C)(*)C(C)(C)OBB1OC(C)(C)C(C)(C)O1 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000007795 chemical reaction product Substances 0.000 description 12
- 239000012141 concentrate Substances 0.000 description 12
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 12
- 239000012044 organic layer Substances 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 239000007858 starting material Substances 0.000 description 12
- 238000012546 transfer Methods 0.000 description 12
- 229910000027 potassium carbonate Inorganic materials 0.000 description 11
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 10
- 150000007577 5-membered cyclic compounds Chemical class 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 8
- 238000000434 field desorption mass spectrometry Methods 0.000 description 8
- 238000006467 substitution reaction Methods 0.000 description 8
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 7
- DKKOMUVRCPKTFX-UHFFFAOYSA-N (4-bromonaphthalen-1-yl)boronic acid Chemical compound C1=CC=C2C(B(O)O)=CC=C(Br)C2=C1 DKKOMUVRCPKTFX-UHFFFAOYSA-N 0.000 description 6
- ORPVVAKYSXQCJI-UHFFFAOYSA-N 1-bromo-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Br ORPVVAKYSXQCJI-UHFFFAOYSA-N 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- QLILRKBRWXALIE-UHFFFAOYSA-N 3-nitropyridine Chemical compound [O-][N+](=O)C1=CC=CN=C1 QLILRKBRWXALIE-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 125000000753 cycloalkyl group Chemical group 0.000 description 5
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 5
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 5
- 125000003367 polycyclic group Chemical group 0.000 description 5
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 238000005401 electroluminescence Methods 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 238000001308 synthesis method Methods 0.000 description 4
- LWSQLJOLALLYKS-UHFFFAOYSA-N 2,3-dichloro-[1]benzofuro[2,3-b]pyrazine Chemical compound ClC=1N=C2C(=NC=1Cl)OC1=C2C=CC=C1 LWSQLJOLALLYKS-UHFFFAOYSA-N 0.000 description 3
- SPSSDDOTEZKOOV-UHFFFAOYSA-N 2,3-dichloroquinoxaline Chemical compound C1=CC=C2N=C(Cl)C(Cl)=NC2=C1 SPSSDDOTEZKOOV-UHFFFAOYSA-N 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000004770 highest occupied molecular orbital Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000002950 monocyclic group Chemical group 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 3
- 125000006757 (C2-C30) heterocyclic group Chemical group 0.000 description 2
- NFHNRZDVWVUUKG-UHFFFAOYSA-N 2,3-dichlorobenzo[f]quinoxaline Chemical compound C1=CC=CC2=C(N=C(C(Cl)=N3)Cl)C3=CC=C21 NFHNRZDVWVUUKG-UHFFFAOYSA-N 0.000 description 2
- DVENPLHJIDSVCG-UHFFFAOYSA-N 2-iodonaphthalen-1-ol Chemical compound C1=CC=C2C(O)=C(I)C=CC2=C1 DVENPLHJIDSVCG-UHFFFAOYSA-N 0.000 description 2
- KUBSCXXKQGDPPD-UHFFFAOYSA-N 3-bromo-9-phenylcarbazole Chemical compound C12=CC=CC=C2C2=CC(Br)=CC=C2N1C1=CC=CC=C1 KUBSCXXKQGDPPD-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000003302 alkenyloxy group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 125000005129 aryl carbonyl group Chemical group 0.000 description 2
- GQVWHWAWLPCBHB-UHFFFAOYSA-L beryllium;benzo[h]quinolin-10-olate Chemical compound [Be+2].C1=CC=NC2=C3C([O-])=CC=CC3=CC=C21.C1=CC=NC2=C3C([O-])=CC=CC3=CC=C21 GQVWHWAWLPCBHB-UHFFFAOYSA-L 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
- IRIKWWVRXXWTAK-UHFFFAOYSA-N c(cc1)cc2c1[nH]c1c2c(cccc2)c2c2c1[s]c1ccc(cccc3)c3c21 Chemical compound c(cc1)cc2c1[nH]c1c2c(cccc2)c2c2c1[s]c1ccc(cccc3)c3c21 IRIKWWVRXXWTAK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 125000001188 haloalkyl group Chemical group 0.000 description 2
- 125000004404 heteroalkyl group Chemical group 0.000 description 2
- 125000001072 heteroaryl group Chemical group 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- PIHWNQAUHGAUGC-UHFFFAOYSA-N (4-chloronaphthalen-1-yl)boronic acid Chemical compound C1=CC=C2C(B(O)O)=CC=C(Cl)C2=C1 PIHWNQAUHGAUGC-UHFFFAOYSA-N 0.000 description 1
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- HWNAUXQTXPYPRA-UHFFFAOYSA-N 1,3-dibromodibenzothiophene Chemical compound BrC1=CC(=CC=2SC3=C(C21)C=CC=C3)Br HWNAUXQTXPYPRA-UHFFFAOYSA-N 0.000 description 1
- SWJPEBQEEAHIGZ-UHFFFAOYSA-N 1,4-dibromobenzene Chemical compound BrC1=CC=C(Br)C=C1 SWJPEBQEEAHIGZ-UHFFFAOYSA-N 0.000 description 1
- QARVLSVVCXYDNA-RALIUCGRSA-N 1-bromo-2,3,4,5,6-pentadeuteriobenzene Chemical compound [2H]C1=C([2H])C([2H])=C(Br)C([2H])=C1[2H] QARVLSVVCXYDNA-RALIUCGRSA-N 0.000 description 1
- USYQKCQEVBFJRP-UHFFFAOYSA-N 1-bromo-3-phenylbenzene Chemical group BrC1=CC=CC(C=2C=CC=CC=2)=C1 USYQKCQEVBFJRP-UHFFFAOYSA-N 0.000 description 1
- WUYYVOWEBMOELQ-UHFFFAOYSA-N 1-bromodibenzofuran Chemical compound O1C2=CC=CC=C2C2=C1C=CC=C2Br WUYYVOWEBMOELQ-UHFFFAOYSA-N 0.000 description 1
- CIVIFDDMHOKBGH-UHFFFAOYSA-N 1-bromothianthrene Chemical compound S1C2=CC=CC=C2SC2=C1C=CC=C2Br CIVIFDDMHOKBGH-UHFFFAOYSA-N 0.000 description 1
- CZUAHTZGRXIRIF-UHFFFAOYSA-N 1-iodo-2-methylsulfinylnaphthalene Chemical compound IC1=C(C=CC2=CC=CC=C12)S(=O)C CZUAHTZGRXIRIF-UHFFFAOYSA-N 0.000 description 1
- JEVGGOSILOIIHN-UHFFFAOYSA-N 1-iodonaphthalen-2-ol Chemical compound C1=CC=CC2=C(I)C(O)=CC=C21 JEVGGOSILOIIHN-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- PVAQUBRHZGFBKS-UHFFFAOYSA-N 2,3-dichloro-[1]benzothiolo[2,3-b]pyrazine Chemical compound ClC=1N=C2C(=NC=1Cl)SC1=C2C=CC=C1 PVAQUBRHZGFBKS-UHFFFAOYSA-N 0.000 description 1
- KWCXTOMYYVTXHF-UHFFFAOYSA-N 2-(3-bromo-4-nitrophenyl)-9-phenylcarbazole Chemical compound BrC=1C=C(C=CC=1[N+](=O)[O-])C1=CC=2N(C3=CC=CC=C3C=2C=C1)C1=CC=CC=C1 KWCXTOMYYVTXHF-UHFFFAOYSA-N 0.000 description 1
- FGJDRITYPHJFOH-UHFFFAOYSA-N 2-bromo-1-nitro-4-phenylbenzene Chemical group C1=C(Br)C([N+](=O)[O-])=CC=C1C1=CC=CC=C1 FGJDRITYPHJFOH-UHFFFAOYSA-N 0.000 description 1
- CRJISNQTZDMKQD-UHFFFAOYSA-N 2-bromodibenzofuran Chemical compound C1=CC=C2C3=CC(Br)=CC=C3OC2=C1 CRJISNQTZDMKQD-UHFFFAOYSA-N 0.000 description 1
- APSMUYYLXZULMS-UHFFFAOYSA-N 2-bromonaphthalene Chemical compound C1=CC=CC2=CC(Br)=CC=C21 APSMUYYLXZULMS-UHFFFAOYSA-N 0.000 description 1
- ACANBSQSSDKBLC-UHFFFAOYSA-N 2-iodo-1-methylsulfinylnaphthalene Chemical compound IC1=C(C2=CC=CC=C2C=C1)S(=O)C ACANBSQSSDKBLC-UHFFFAOYSA-N 0.000 description 1
- BZACVMXZBPWGKL-UHFFFAOYSA-N 2-iodo-3-methylsulfinylnaphthalene Chemical compound IC1=CC2=CC=CC=C2C=C1S(=O)C BZACVMXZBPWGKL-UHFFFAOYSA-N 0.000 description 1
- YGZZBMRZHXCZGI-UHFFFAOYSA-N 3-bromo-6-dibenzothiophen-3-ylnaphthalen-2-ol Chemical compound BrC=1C(=CC2=CC=C(C=C2C=1)C=1C=CC2=C(SC3=C2C=CC=C3)C=1)O YGZZBMRZHXCZGI-UHFFFAOYSA-N 0.000 description 1
- TXHXRSDJWBHXBZ-UHFFFAOYSA-N 3-bromo-7-iododibenzofuran Chemical compound IC1=CC=C2C3=CC=C(Br)C=C3OC2=C1 TXHXRSDJWBHXBZ-UHFFFAOYSA-N 0.000 description 1
- ORYWNYKNTHPWDG-UHFFFAOYSA-N 3-iodonaphthalen-2-ol Chemical compound C1=CC=C2C=C(I)C(O)=CC2=C1 ORYWNYKNTHPWDG-UHFFFAOYSA-N 0.000 description 1
- GJXAVNQWIVUQOD-UHFFFAOYSA-N 4-bromodibenzothiophene Chemical compound S1C2=CC=CC=C2C2=C1C(Br)=CC=C2 GJXAVNQWIVUQOD-UHFFFAOYSA-N 0.000 description 1
- AZFHXIBNMPIGOD-UHFFFAOYSA-N 4-hydroxypent-3-en-2-one iridium Chemical compound [Ir].CC(O)=CC(C)=O.CC(O)=CC(C)=O.CC(O)=CC(C)=O AZFHXIBNMPIGOD-UHFFFAOYSA-N 0.000 description 1
- KDOQMLIRFUVJNT-UHFFFAOYSA-N 4-n-naphthalen-2-yl-1-n,1-n-bis[4-(n-naphthalen-2-ylanilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C3C=CC=CC3=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C3C=CC=CC3=CC=2)C=C1 KDOQMLIRFUVJNT-UHFFFAOYSA-N 0.000 description 1
- JQNHCWRFDZHLIZ-UHFFFAOYSA-N BrC1=CC=C(C2=CC=C(C=C12)C1=CC2=C(OC3=C2C=CC=C3)C=C1)B(O)O Chemical compound BrC1=CC=C(C2=CC=C(C=C12)C1=CC2=C(OC3=C2C=CC=C3)C=C1)B(O)O JQNHCWRFDZHLIZ-UHFFFAOYSA-N 0.000 description 1
- OPLRCIYTONZETH-UHFFFAOYSA-N Brc1c(cccc2)c2c(c(ccc2ccccc22)c2[s]2)c2c1 Chemical compound Brc1c(cccc2)c2c(c(ccc2ccccc22)c2[s]2)c2c1 OPLRCIYTONZETH-UHFFFAOYSA-N 0.000 description 1
- SUDJTVMSXXEQHU-UHFFFAOYSA-N Brc1ccc(c(c([o]2)c3)ccc3-[n](c3c4cccc3)c3c4c(cccc4)c4c4c3[s]c3c4c(cccc4)c4cc3)c2c1 Chemical compound Brc1ccc(c(c([o]2)c3)ccc3-[n](c3c4cccc3)c3c4c(cccc4)c4c4c3[s]c3c4c(cccc4)c4cc3)c2c1 SUDJTVMSXXEQHU-UHFFFAOYSA-N 0.000 description 1
- 238000006443 Buchwald-Hartwig cross coupling reaction Methods 0.000 description 1
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 description 1
- SWJWPCGUHBWOJP-ALCCZGGFSA-N CC(CSc1c(C)ccc2c1cccc2)(C(C/C=C\C=C)c1c2cccc1)N2c1nc(cccc2)c2nc1-c1ccccc1 Chemical compound CC(CSc1c(C)ccc2c1cccc2)(C(C/C=C\C=C)c1c2cccc1)N2c1nc(cccc2)c2nc1-c1ccccc1 SWJWPCGUHBWOJP-ALCCZGGFSA-N 0.000 description 1
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- 238000007792 addition Methods 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
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- PQIUGRLKNKSKTC-UHFFFAOYSA-N benzo[h]quinazoline Chemical compound N1=CN=C2C3=CC=CC=C3C=CC2=C1 PQIUGRLKNKSKTC-UHFFFAOYSA-N 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 239000011737 fluorine Substances 0.000 description 1
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- 125000005843 halogen group Chemical group 0.000 description 1
- 125000005549 heteroarylene group Chemical group 0.000 description 1
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- VVVPGLRKXQSQSZ-UHFFFAOYSA-N indolo[3,2-c]carbazole Chemical compound C1=CC=CC2=NC3=C4C5=CC=CC=C5N=C4C=CC3=C21 VVVPGLRKXQSQSZ-UHFFFAOYSA-N 0.000 description 1
- 229960005544 indolocarbazole Drugs 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- OCVXZQOKBHXGRU-UHFFFAOYSA-N iodine(1+) Chemical compound [I+] OCVXZQOKBHXGRU-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 238000007243 oxidative cyclization reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- MCBJUXFCNBVPNF-UHFFFAOYSA-N phenanthro[9,10-d]pyrimidine Chemical compound C1=NC=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 MCBJUXFCNBVPNF-UHFFFAOYSA-N 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- FEOZRVMIWAJUCM-UHFFFAOYSA-N pyrimidine quinoxaline Chemical compound N1=CN=CC=C1.N1=CC=NC2=CC=CC=C12 FEOZRVMIWAJUCM-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 description 1
- MKWQJYNEKZKCSA-UHFFFAOYSA-N quinoxaline Chemical compound N1=C=C=NC2=CC=CC=C21 MKWQJYNEKZKCSA-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000006476 reductive cyclization reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/54—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
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- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
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Definitions
- the present invention relates to compounds for organic electric elements, organic electric elements comprising the same, and electronic devices thereof.
- organic light emitting phenomenon refers to a phenomenon that converts electric energy into light energy by using an organic material.
- An organic electric element using an organic light emitting phenomenon usually has a structure including an anode, a cathode, and an organic material layer interposed there between.
- the organic material layer is often composed of a multi-layered structure composed of different materials, and for example, may include a hole injection layer, a hole transport layer, an emitting layer, an electron transport layer, an electron injection layer and the like.
- a material used as an organic material layer in an organic electric element may be classified into a light emitting material and a charge transport material, such as a hole injection material, a hole transport material, an electron transport material, an electron injection material and the like depending on its function.
- the difference in properties according to the material structure is so large that it is applied to various layers as a material of an organic electric element.
- it has characteristics of different band gaps (HOMO, LUMO), electrical characteristics, chemical properties, and physical properties depending on the number of rings, fused positions and the type and arrangement of heteroatoms, therefore application development for layers of various organic electric elements using the same has been progressed.
- Patent Documents 1 to 4 the performance of the 5-membered cyclic compound in the polycyclic compound has been reported depending on the hetero type, arrangement, substituent type, fused position, and the like.
- Patent Documents 1 and 2 disclose an embodiment in which the indolecarbazole core in which the hetero atom in the 5-membered cyclic compound is composed only of nitrogen is used, and an aryl group substituted or unsubstituted in N of indolocarbazole is used.
- the prior invention there exists only a simple aryl group substituted or unsubstituted with an alkyl group, an amino group, an alkoxy group, or the like as a substituent. so that the effect of the substituents of the polycyclic compounds was very poor to prove, and only the use as a hole transport material is described, and the use thereof as a phosphorescent host material is not described.
- Patent Documents 3 and 4 disclose a compound in which pyridine, pyrimidine, triazine or the like containing an aryl group and N is substituted for an indolecarbazole core having a hetero atom N in the same 5-membered cyclic compound as in the above Patent Documents 1 and 2, however only the use examples for phosphorescent green host materials are described, and the performance for other heterocyclic compounds substituted for indolecarbazole core is not described.
- Nitrogen, oxygen (0), sulfur (S), carbon and the like are described as heteroatom in the 5-membered cyclic compound, however there are only examples using the same heteroatom in the performance measurement data, the performance characteristics of a 5-membered cyclic compound containing a different heteroatom could not be confirmed.
- the patent document does not disclose solutions to low charge carrier mobility and low oxidation stability of a 5-membered cyclic compound containing same heteroatom.
- the 5-membered cyclic compound molecules are generally laminated, as the adjacent ⁇ - electrons increase, they have a strong electrical interaction, and this is closely related to the charge carrier mobility, particularly, the same 5-membered cyclic compound of type has an edge-to-face morphology as an order of arrangement of molecules when molecules are laminated, otherwise a different 5-membered cyclic compound with different heteroatoms has an antiparallel cofacial ⁇ -stacking structure in which the packing structure of the molecules is opposite to each other, so that the arrangement order of the molecules becomes face-to-face morphology. It is reported that the steric effect of the substituent substituted on the asymmetrically arranged hetero atom N as the cause of this laminated structure causes relatively high carrier mobility and high oxidation stability ( Org. Lett.2008, 10, 1199 ).
- Patent Document 6 an example of using as a fluorescent host material for various polycyclic compounds having seven or more membered cyclic compounds has been reported.
- the LUMO and HOMO levels of the host material have a great influence on the efficiency and life span of the organic electric element, this is because the charge balance control in the emitting layer, the quenching of the dopant, and the reduction in efficiency and life span due to light emission at the interface of the hole transport layer can be prevented, depending on whether electron and hole injection in the emitting layer can be efficiently controlled.
- the TRTP (Time Resolved Transient PL) measurement method is a method of observing a decay time over time after irradiating the host thin film with a pulsed light source, and therefore it is possible to identify the energy transfer method by observing the energy transfer and the lag time.
- the TRTP measurement can distinguish between fluorescence and phosphorescence, an energy transfer method in a mixed host material, an exciplex energy transfer method, and a TADF energy transfer method.
- an aspect of the present invention is to provide a compound into which a Sub having excellent electron characteristics is introduced, and capable of lowering driving voltage, increasing luminous efficiency, improving color purity and lifetime of device, an organic electric element comprising the same, and an electronic device thereof.
- organic electric elements comprising the compound represented by the formula 1 above and electronic devices including the organic electric element are provided.
- luminous efficiency, heat-resistance, and lifetime of the organic electric elements can be improved and a driving voltage of the organic electric elements can be lowered because the electron transfer ability and the thermal stability are improved, and electron injection from the ETL is facilitated, resulting in a LUMO energy level that is easy to balance charge in the a light emitting layer by using a specific compound as a material of the organic electric device, wherein the specific compound has an aromatic ring additionally fused to the existing core and a sub-substituent having a strong ET characteristic.
- first, second, A, B, (a), (b) or the like may be used herein when describing components of the present invention.
- Each of these terminologies is not used for defining an essence, order or sequence of a corresponding component but used merely to distinguish the corresponding component from other component(s). It should be noted that if it is described in the specification that one component is “connected,” “coupled” or “joined” to another component, a third component may be “connected,” “coupled,” and “joined” between the first and second components, although the first component may be directly connected, coupled or joined to the second component.
- halo or halogen as used herein includes fluorine(F), chlorine(Cl), bromine(Br), or iodine(I).
- alkyl or "alkyl group” as used herein has a single bond of 1 to 60 carbon atoms, and means aliphatic functional radicals including a linear alkyl group, a branched chain alkyl group, a cycloalkyl group (alicyclic), or an alkyl group substituted with a cycloalkyl.
- halo alkyl or halogen alkyl as used herein includes an alkyl group substituted with a halogen.
- heteroalkyl means alkyl substituted one or more of carbon atoms consisting of an alkyl withhetero atom.
- alkenyl or “alkynyl” as used herein has, but not limited to, double or triple bonds of 2 to 60 carbon atoms, and includes a linear alkyl group, or a branched chain alkyl group.
- cycloalkyl as used herein means, but not limited to, alkyl forming a ring having 3 to 60 carbon atoms.
- alkoxyl group means an oxygen radical attached to an alkyl group, but not limited to, and has 1 to 60 carbon atoms.
- alkenoxyl group means anoxygen radical attached to an alkenyl group, but is not limited thereto, and has 2 to 60 carbon atoms.
- aryloxyl group or “aryloxy group”, as used herein, means an oxygen radical attached to an aryl group, but is not limited thereto, and has 6 to 60 carbon atoms.
- aryl group or “arylene group”, as used herein, has 6 to 60 carbon atoms, but is not limited thereto.
- the aryl group or arylene group means a monocyclic and polycyclic aromatic group, and may also be formed in conjunction with an adjacent group.
- Examples of “aryl group” may include a phenyl group, a biphenyl group, a fluorene group, or a spirofluorene group.
- aryl or "ar” means a radical substituted with an arylgroup.
- an arylalkyl may be an alkyl substituted with an aryl
- an arylalkenyl may be an alkenyl substituted with aryl
- a radical substituted with an aryl has a number of carbon atoms as defined herein.
- an arylalkoxy means an alkoxy substituted with an aryl
- an alkoxylcarbonyl means a carbonyl substituted with an alkoxyl
- an arylcarbonylalkenyl also means an alkenyl substituted with an arylcarbonyl, wherein the arylcarbonyl may be a carbonyl substituted with an aryl.
- heteroalkyl means alkyl containing one or more of heteroatoms.
- heteroaryl group or “heteroarylene group”, as used herein, means a C 2 to C 60 aryl containing one or more of heteroatoms or arylene group, but is not limited thereto, and includes at least one of monocyclic and polycyclic rings, and may also be formed in conjunction with an adjacent group.
- heterocyclic group contains one or more heteroatoms, but is not limited thereto, has 2 to 60 carbon atoms, includes any one of monocyclic and polycyclic rings, and may include heteroaliphatic ring and/or heteroaromatic ring. Also, the heterocyclic group may also be formed in conjunction with an adjacent group.
- heteroatom represents at least one of N, O, S, P, or Si.
- heterocyclic group may include SO 2 instead of carbon consisting of cycle.
- heterocyclic group includes compound below.
- aliphatic means an aliphatic hydrocarbon having 1 to 60 carbon atoms
- aliphatic ring means an aliphatic hydrocarbon ring having 3 to 60 carbon atoms.
- ring means an aliphatic ring having 3 to 60 carbon atoms, or an aromatic ring having 6 to 60 carbon atoms, or a hetero ring having 2 to 60 carbon atoms, or a fused ring formed by the combination of them, and includes a saturated or unsaturated ring.
- hetero compounds or hetero radicals other than the above-mentioned hetero compounds include, but are not limited thereto, one or more heteroatoms.
- carbonyl is represented by -COR', wherein R' may be hydrogen, an alkyl having 1 to 20 carbon atoms, an aryl having 6 to 30 carbon atoms, a cycloalkyl having 3 to 30 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an alkynyl having 2 to 20 carbon atoms, or the combination of these.
- ether as used herein, is represented by -R-O-R', wherein R or R' may be independently hydrogen, an alkyl having 1 to 20 carbon atoms, an aryl having 6 to 30 carbon atoms, a cycloalkyl having 3 to 30 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an alkynyl having 2 to 20 carbon atoms, or the combination of these.
- substituted or unsubstituted means that substitution is carried out by at least one substituent selected from the group consisting of, but not limited to, deuterium, halogen, an amino group, a nitrile group, a nitro group, a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 1 -C 20 alkylamine group, a C 1 -C 20 alkylthiophene group, a C 6 -C 20 arylthiophene group, a C 2 -C 20 alkenyl group, a C 2 -C 20 alkynyl group, a C 3 -C 20 cycloalkyl group, a C 6 -C 20 aryl group, a C 6 -C 20 aryl group substituted by deuterium, a C 8 -C 20 arylalkenyl group, a silane group, a boron
- substituent R 1 when a is an integer of zero, the substituent R 1 is absent, that is, hydrogen atoms are bonded to all the carbon constituting the benzene ring, and chemical formulas or compounds may be written without explicitly describing the hydrogen.
- one substituent R 1 is bonded to any carbon of the carbons forming the benzene ring when "a" is an integer of 1, substituents R 1 are bonded, for example, as followings when “a” is an integer of 2 or 3, substituents R 1 are bonded to the carbon of the benzene ring in a similar manner when “a” is an integer of 4 to 6, and R's may be the same or different from each other when "a” is an integer of 2 or more.
- the terms "ortho”, “meta”, and “para” used in the present invention refer to the substitution positions of all substituents, and the ortho position indicates the position of the substituent immediately adjacent to the compound, for example, when benzene is used, it means 1, 2 position, and the meta position is the next substitution position of the neighbor substitution position, when benzene as an example stands for 1, 3 position, and the para position is the next substitution position of the meta position, which means 1, 4 position when benzene is taken as an example.
- a more detailed example of the substitution position is as follows, and it can be confirmed that the ortho-, and meta- position are substituted by non-linear type and para positions are substituted by linear type.
- the present invention provides a compound represented by the following Formula 1. wherein,
- the aryl group, fluorenyl group, arylene group, heterocyclic group, fused ring group, alkyl group, alkenyl group, alkoxyl group, and aryloxy group may be each optionally further substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C 1 -C 20 alkyl group or a C 6 -C 20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, - L'-N(R a )(R b ), a C 1 -C 20 alkylthio group, a C 1 -C 20 alkoxyl group, a C 1 -C 20 alkyl group, a C 2 -C 20 alkenyl group, a C 2 -C 20 alkynyl group, a C 6 -C 20
- Formula 1 above may be represented by any one of Formulas 2 to 4 below:
- X, L 1 , Ar 1 , R 1 , R 2 , R 3 , a, b and c are the same as defined above.
- Formula 1 above may be represented by any one of Formulas 5 to 7 below:
- X, L 1 , Ar 1 , R 1 , R 2 , R 3 , R 4 , a, b, c, d, B ring are the same as defined above.
- One embodiment of the present invention provides the compound of which the chemical structure Ar 1 of the formula 1 comprising the pyrazine is represented by any one of the following Formulas C-1 to C-22.
- R 4 is the same as defined above, and d is an integer of 0 to 11.
- the present invention comprises the compound wherein R 4 in the above formula 1 is represented by any one of the following formulas R-1 to R-10.
- the compound represented by Formula 1 may be any one of the following compounds.
- an organic electric element 100 includes a first electrode 120 formed on a substrate 110, a second electrode 180, and an organic material layer between the first electrode 110 and the second electrode 180, wherein the organic material layer contains compound represented by Formula 1.
- the first electrode 120 may be an anode (positive electrode)
- the second electrode 180 may be a cathode (negative electrode).
- the first electrode may be a cathode
- the second electrode may be an anode.
- the organic material layer may include a hole injection layer 130, a hole transport layer 140, a light emitting layer 150, an electron transport layer 160, and an electron injection layer 170 formed in sequence on the first electrode 120.
- the remaing layers except the light emitting layer 150 may not be formed.
- the organic material layer may further include a hole blocking layer, an electron blocking layer, an emission-auxiliary layer 151, an electron transport auxiliary layer, a buffer layer 141, etc., and the electron transport layer 160 and the like may serve as a hole blocking layer.
- the organic electric element according to an embodiment of the present invention may further include at least one protective layer formed on at least one of the sides the first and second electrodes, which is a side opposite to the organic material layer.
- the band gap, the electrical characteristics, the interface characteristics, and the like may vary depending on which substituent is bonded at which position, therefore the choice of core and the combination of sub-substituents associated therewith is also very important, and in particular, when the optimal combination of energy levels and T1 values and unique properties of materials (mobility, interfacial characteristics, etc.) of each organic material layer is achieved, a long life span and high efficiency can be achieved at the same time.
- the organic electroluminescent device may be manufactured using a PVD (physical vapor deposition) method.
- a metal or a metal oxide having conductivity or an alloy thereof is deposited on a substrate to form a cathode, and the organic material layer including the hole injection layer (130), the hole transport layer (140), the emitting layer (150), the electron transport layer (160), and the electron injection layer (170) is formed thereon, and then depositing a material usable as a cathode thereon can manufacture an organic electroluminescent device according to an embodiment of the present invention.
- an emission auxiliary layer (151) may be further formed between the hole transport layer(140) and the emitting layer(150), and an electron transport auxiliary layer may be further formed between the emitting layer (150) and the electron transport layer (160).
- the present invention may further include a light efficiency enhancing layer formed on at least one of the opposite side to the organic material layer among one side of the first electrode, or one of the opposite side to the organic material layer among one side of the second electrode.
- the present invention provides the organic electric element wherein the organic material layer is formed by one of a spin coating process, a nozzle printing process, an inkjet printing process, a slot coating process, a dip coating process or a roll-to-roll process, and since the organic material layer according to the present invention can be formed by various methods, the scope of the present invention is not limited by the method of forming the organic material layer.
- the compound represented by Formula 1 may be comprised in the organic material layer, and in at least one layer of a hole injection layer, a hole transport layer, an emission auxiliary layer and the emitting layer, and the compound may be included as a single compound or a mixture of two or more different kinds.
- the present invention provides an organicelectric element wherein the emitting layer of the organic material layer is a phosphorescent light emitting layer.
- compound of the present invention may be used as material of a light emitting layer 150, a hole transport layer 140 and/or an emission-auxiliary layer 151, preferably, as host material of a light emitting layer 150, more preferably, as phosphorescent red host material.
- the organic electric element according to an embodiment of the present invention may be of a top emission type, a bottom emission type, or a dual emission type depending on the material used.
- WOLED White Organic Light Emitting Device
- WOLED may employ various arrangement methods, representatively, a parallel side-by-side arrangement method of R(Red), G(Green), B(Blue) light-emitting units, a vertical stack arrangement method of RGB light-emitting units, and a CCM (color conversion material) method which uses electroluminescence from a blue (B) organic light emitting layer and photo-luminescence of inorganic phosphors using lighting of electroluminescence from a blue (B) organic light emitting layer, and the present invention may be applied to such WOLED.
- a parallel side-by-side arrangement method of R(Red), G(Green), B(Blue) light-emitting units a vertical stack arrangement method of RGB light-emitting units
- CCM color conversion material
- the present invention provides an electronic device including a display device which includes the above described organic electric element, and a control unit for controlling the display device.
- the organic electric element may be any one of an organic light emitting diode, an organic solar cell, an organic photo conductor, an organic transistor, and an element for monochromatic or white illumination.
- the electronic device may be a wired/wireless communication terminal which is currently used or will be used in the future, and covers all kinds of electronic devices including a mobile communication terminal such as a cellular phone, a personal digital assistant (PDA), an electronic dictionary, a point-to-multipoint (PMP), a remote controller, a navigation unit, a game player, various kinds of TVs, and various kinds of computers.
- a mobile communication terminal such as a cellular phone, a personal digital assistant (PDA), an electronic dictionary, a point-to-multipoint (PMP), a remote controller, a navigation unit, a game player, various kinds of TVs, and various kinds of computers.
- PDA personal digital assistant
- PMP point-to-multipoint
- remote controller a navigation unit
- game player various kinds of TVs, and various kinds of computers.
- the compound (final products) according to the present invention can be synthesized by reacting according to the following method, but are not limited thereto.
- R 4' can be the same as the definition of R 4 , and means a substituent which is the same as R 4 or different from R 4 .
- Sub 1 of the Reaction Scheme 1 can be synthesized according to, but not limited to, the reaction route of the following Reaction Scheme 2 and Reaction Scheme 3.
- the starting material S-I-4 (30g, 85.90mmol) was added into a round bottom flask together with Pd(OAc) 2 (1.93g, 8.59mmol), 3-nitropyridine (1.07g, 8.59mmol) and dissolved in C 6 F 6 (128.9ml) and DMI (85.9ml). Then, tert -butyl peroxybenzoate (33.37g, 171.81mmol) was added and stirred at 90°C. When the reaction was completed, the reaction product was extracted with CH 2 Cl 2 and water, and then the organic layer was dried with MgSO 4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 21.18g (yield: 71%) of product.
- the starting material M-I-1 (70g, 192.69mmol) was dissolved in DMF (1214ml) in a round bottom flask, and then Bis(pinacolato)diboron (53.83g, 211.96mmol), Pd(dppf)Cl 2 (4.23g, 5.78mmol), KOAc(56.73g, 578.08mmol) were added and stirred at 90°C.
- DMF was removed by distillation and the reaction product was extracted with CH 2 Cl 2 and water. Then, the organic layer was dried with MgSO 4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 64.05g (yield: 81%) of the product.
- Sub 1-IV-1 (27.16g, 46.95mmol) obtained in the above synthesis was dissolved in DMF (235ml) in a round bottom flask, and Bis(pinacolato)diboron (13.11g, 51.64mmol), Pd(dppf)Cl 2 (1.03g, 1.41mmol), KOAc (13.82g, 140.84mmol) were added, then, stirring at 120°C was followed.
- DMF was removed by distillation, and the reaction product was extracted with CH 2 Cl 2 and water, and then the organic layer was dried with MgSO 4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 22.03g (yield: 75%) of product.
- the starting material S-I-7 (86g, 166.86mmol) was added into a round bottom flask together with Pd(OAc) 2 (3.75g, 16.69mmol), 3-nitropyridine (2.07g, 16.69mmol) and dissolved in C 6 F 6 (250ml) and DMI (167ml). Then, tert-butyl peroxybenzoate (64.82g, 333.71mmol) was added and stirred at 90°C. When the reaction was completed, the reaction product was extracted with CH 2 Cl 2 and water, and then the organic layer was dried with MgSO 4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 62.53g (yield: 73%) of product.
- Triphenylphosphine (60.9g, 232.19mmol), o-dichlorobenzene (155ml) were added to Sub 1-II-3 (43g, 77.4mmol) obtained in the above synthesis, and then 31.61g (yield: 78%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- Sub 2 of the Reaction Scheme 1 can be synthesized according to, but not limited to, the reaction route of the following Reaction Scheme.
- the compound belonging to Sub 2 may be, but not limited to, the following compounds, and Table 2 shows FD-MS (Field Desorption-Mass Spectrometry) values of compounds belonging to Sub 2.
- Table 2 shows FD-MS (Field Desorption-Mass Spectrometry) values of compounds belonging to Sub 2.
- Sub 1-1 (9g, 16.79mmol) was dissolved in THF(74ml) in a round bottom flask, and Sub 2-1 (3.43g, 16.79mmol), Pd(PPh 3 ) 4 (0.78g, 0.67mmol), NaOH (2.01g, 50.37mmol) and water (37ml) were added, then, stirring at 70°C was followed.
- the reaction product was extracted with CH 2 Cl 2 and water, and then the organic layer was dried with MgSO 4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 7.47g (yield: 77%) of product.
- OLEDs Organic light emitting diodes
- an ITO layer (anode) was formed on a glass substrate, and a film of N 1 -(naphthalen-2-yl)-N 4 ,N 4 -bis(4-(naphthalen-2-yl(phenyl)amino)phenyl)-N 1 -phenylbenzene-1,4-diamine (hereinafter abbreviated as "2-TNATA”) was vacuum-deposited on the lTO(anode) layer to form a hole injection layer with a thickness of 60nm.
- 2-TNATA N 1 -(naphthalen-2-yl)-N 4 ,N 4 -bis(4-(naphthalen-2-yl(phenyl)amino)phenyl)-N 1 -phenylbenzene-1,4-diamine
- NPD 4,4-bis[N-(1-naphthyl)-N-phenylamino]biphenyl
- a light emitting layer with a thickness of 30nm was deposited on the hole transport layer by doping the hole transport layer with the compound 1-1 of the present invention as host material and bis-(1-phenylisoquinolyl)iridium(III)acetylacetonate (hereinafter abbreviated as "(piq) 2 Ir(acac)”) as a dopant material in a weight ratio of 95:5.
- (piq) 2 Ir(acac) bis-(1-phenylisoquinolyl)iridium(III)acetylacetonate
- BAlq a film of ((1,1'-bisphenyl)-4-olato)bis(2-methyl-8-quinolinolato)aluminum
- BeBq 2 a film of Bis(10-hydroxybenzo[h]quinolinato)beryllium
- LiF as halogenated alkali metal was deposited with a thickness of 0.2nm on the electron transport layer to form an electron injection layer, and then Al was deposited with a thickness of 150nm on the electron injection layer to form a cathode.
- OLEDs were manufactured in the same manner as described in Example 1, except that any one of the compounds of the present invention in the Table 4 below was used as host material of the light emitting layer, instead of the inventive compound 1-1.
- OLEDs were manufactured in the same manner as described in Example 1, except that any one of comparative compounds 1 to 4 was used as host material of the light emitting layer, instead of the inventive compound 1-1.
- a forward bias DC voltage was applied to each of the OLEDs manufactured through the Examples 1 to 44 and Comparative Examples 1 to 4, and electro-luminescence (EL) characteristics of the OLED were measured by PR-650 (Photo research).
- T95 life span was measured by life span measuring equipment (Mc science) at reference brightness of 2500cd/m 2 .
- Table 4 below shows results of fabrication and evaluation of OLED.
- the present inventors are studying to lower power consumption, increase efficiency and color purity, and a sub-substituent having excellent electron mobility is required. Therefore, the fused pyrazine type substituent which has better electron transfer properties than the substituents of the fused pyrimidine type used in conventional phosphorescent red host.was introduced. In fact, it was confirmed that the introduction of a specific substituent (fused pyrazine type) such as comparative compound 4 is excellent in the electron mobility and thus the efficiency is increased and the driving voltage is lowered.
- Fused pyrazine type (The present invention) Fused pyrimidine Quinoxaline, benzoquinoxaline, dibenzoquinoxaline, benzothienopyrazine, benzofuropyrazine, etc. Quinazoline, benzoquinazoline, dibenzoquinazoline, benzothienopyrimidine, benzofuropyrimidine, etc. (The definition of the B ring is the same as the B ring of claim 1)
- Comparative Examples 1 to 3 Comparative Example 4, it was confirmed that Comparative Example 4 having quinoxaline(a fused pyrazine) as a sub substituent showed the improved efficiency and remarkably improved driving voltage, compared with Comparative Compounds 1 to 3 in which fused pyrimidine was bonded as a sub substituent having a different N substitution position. It can be explained that the energy band gap is changed and electron mobility becomes high due to the binding of specific substituents even if the core is the same.
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Abstract
Description
- The present invention relates to compounds for organic electric elements, organic electric elements comprising the same, and electronic devices thereof.
- In general, organic light emitting phenomenon refers to a phenomenon that converts electric energy into light energy by using an organic material. An organic electric element using an organic light emitting phenomenon usually has a structure including an anode, a cathode, and an organic material layer interposed there between. Here, in order to increase the efficiency and stability of the organic electronic element, the organic material layer is often composed of a multi-layered structure composed of different materials, and for example, may include a hole injection layer, a hole transport layer, an emitting layer, an electron transport layer, an electron injection layer and the like.
- A material used as an organic material layer in an organic electric element may be classified into a light emitting material and a charge transport material, such as a hole injection material, a hole transport material, an electron transport material, an electron injection material and the like depending on its function.
- In the case of a polycyclic compound containing a heteroatom, the difference in properties according to the material structure is so large that it is applied to various layers as a material of an organic electric element. In particular, it has characteristics of different band gaps (HOMO, LUMO), electrical characteristics, chemical properties, and physical properties depending on the number of rings, fused positions and the type and arrangement of heteroatoms, therefore application development for layers of various organic electric elements using the same has been progressed.
- As a representative example thereof, in the following
Patent Documents 1 to 4, the performance of the 5-membered cyclic compound in the polycyclic compound has been reported depending on the hetero type, arrangement, substituent type, fused position, and the like. - Patent Document 1:
U.S. Patent. 5843607 - Patent Document 2: Japanese Laid-Open Patent Publication .
1999-162650 - Patent Document 3: Korean Published Patent Application
2008-0085000 - Patent Document 4:
US Patent Publication 2010-0187977 - Patent Document 5: Korean Published Patent Application No.
2011-0018340 - Patent Document 6: Korean Published Patent
2009-0057711 -
Patent Documents prior invention 1, there exists only a simple aryl group substituted or unsubstituted with an alkyl group, an amino group, an alkoxy group, or the like as a substituent. so that the effect of the substituents of the polycyclic compounds was very poor to prove, and only the use as a hole transport material is described, and the use thereof as a phosphorescent host material is not described. -
Patent Documents above Patent Documents - In
Patent Documents 5, Nitrogen, oxygen (0), sulfur (S), carbon and the like are described as heteroatom in the 5-membered cyclic compound, however there are only examples using the same heteroatom in the performance measurement data, the performance characteristics of a 5-membered cyclic compound containing a different heteroatom could not be confirmed. - Therefore, the patent document does not disclose solutions to low charge carrier mobility and low oxidation stability of a 5-membered cyclic compound containing same heteroatom. When the 5-membered cyclic compound molecules are generally laminated, as the adjacent π- electrons increase, they have a strong electrical interaction, and this is closely related to the charge carrier mobility, particularly, the same 5-membered cyclic compound of type has an edge-to-face morphology as an order of arrangement of molecules when molecules are laminated, otherwise a different 5-membered cyclic compound with different heteroatoms has an antiparallel cofacial π-stacking structure in which the packing structure of the molecules is opposite to each other, so that the arrangement order of the molecules becomes face-to-face morphology. It is reported that the steric effect of the substituent substituted on the asymmetrically arranged hetero atom N as the cause of this laminated structure causes relatively high carrier mobility and high oxidation stability (Org. Lett.2008, 10, 1199).
- In Patent Document 6, an example of using as a fluorescent host material for various polycyclic compounds having seven or more membered cyclic compounds has been reported.
- As described above, the fused positions, the number of rings, the arrangement of heteroatoms, and characteristic change by type of the polycyclic compounds have not yet been sufficiently developed.
- Particularly, in a phosphorescent organic electric element using a phosphorescent dopant material, the LUMO and HOMO levels of the host material have a great influence on the efficiency and life span of the organic electric element, this is because the charge balance control in the emitting layer, the quenching of the dopant, and the reduction in efficiency and life span due to light emission at the interface of the hole transport layer can be prevented, depending on whether electron and hole injection in the emitting layer can be efficiently controlled.
- For fluorescent and phosphorescent host materials, recently we have been studying the increase of efficiency and life span of organic electric elements using TADF (thermal activated delayed fluorescent), exciplex, etc., particularly, and many studies have been carried out to identify the energy transfer method from the host material to the dopant material.
- Although there are various methods for identifying the energy transfer in the emitting layer for TADF Cthermally activated delayed fluorescent) and exciplex, it can be easily confirmed by the PL lifetime (TRTP) measurement method.
- The TRTP (Time Resolved Transient PL) measurement method is a method of observing a decay time over time after irradiating the host thin film with a pulsed light source, and therefore it is possible to identify the energy transfer method by observing the energy transfer and the lag time. The TRTP measurement can distinguish between fluorescence and phosphorescence, an energy transfer method in a mixed host material, an exciplex energy transfer method, and a TADF energy transfer method.
- There are various factors affecting the efficiency and life span depending on the manner in which the energy is transferred from the host material to the dopant material, and the energy transfer method differs depending on the material, so that the development of stable and efficient host material for organic electric element has not yet been sufficiently developed. Therefore, development of new materials is continuously required, and especially development of a host material for an emitting layer is urgently required.
- Currently, OLED devices are being developed in the direction of lowering the power consumption and increasing the color purity. In order to solve one or more of the above-mentioned problems in prior art, an aspect of the present invention is to provide a compound into which a Sub having excellent electron characteristics is introduced, and capable of lowering driving voltage, increasing luminous efficiency, improving color purity and lifetime of device, an organic electric element comprising the same, and an electronic device thereof.
-
- In another aspect of the present invention, organic electric elements comprising the compound represented by the
formula 1 above and electronic devices including the organic electric element are provided. - According to the embodiments of the present invention, luminous efficiency, heat-resistance, and lifetime of the organic electric elements can be improved and a driving voltage of the organic electric elements can be lowered because the electron transfer ability and the thermal stability are improved, and electron injection from the ETL is facilitated, resulting in a LUMO energy level that is easy to balance charge in the a light emitting layer by using a specific compound as a material of the organic electric device, wherein the specific compound has an aromatic ring additionally fused to the existing core and a sub-substituent having a strong ET characteristic.
-
-
Fig.1 illustrates an example of an organic light emitting diode according to an embodiment of the present invention. -
Fig.2 shows the PL results ofcomparative compounds 1 to 4 and compound 1-1 of the present invention. -
Fig.3 shows the 1H NMR results of compound 1-1 of the present invention. -
Fig.4 shows the 13C NMR results of compound 1-1 of the present invention. - Hereinafter, some embodiments of the present invention will be described in detail. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
- In addition, terms, such as first, second, A, B, (a), (b) or the like may be used herein when describing components of the present invention. Each of these terminologies is not used for defining an essence, order or sequence of a corresponding component but used merely to distinguish the corresponding component from other component(s). It should be noted that if it is described in the specification that one component is "connected," "coupled" or "joined" to another component, a third component may be "connected," "coupled," and "joined" between the first and second components, although the first component may be directly connected, coupled or joined to the second component.
- As used in the specification and the accompanying claims, unless otherwise stated, the following is the meaning of the term as follows.
- Unless otherwise stated, the term "halo" or "halogen" as used herein includes fluorine(F), chlorine(Cl), bromine(Br), or iodine(I).
- Unless otherwise stated, the term "alkyl" or "alkyl group" as used herein has a single bond of 1 to 60 carbon atoms, and means aliphatic functional radicals including a linear alkyl group, a branched chain alkyl group, a cycloalkyl group (alicyclic), or an alkyl group substituted with a cycloalkyl.
- Unless otherwise stated, the term "halo alkyl" or "halogen alkyl" as used herein includes an alkyl group substituted with a halogen.
- Unless otherwise stated, the term "heteroalkyl", as used herein, means alkyl substituted one or more of carbon atoms consisting of an alkyl withhetero atom.
- Unless otherwise stated, the term "alkenyl" or "alkynyl" as used herein has, but not limited to, double or triple bonds of 2 to 60 carbon atoms, and includes a linear alkyl group, or a branched chain alkyl group.
- Unless otherwise stated, the term "cycloalkyl" as used herein means, but not limited to, alkyl forming a ring having 3 to 60 carbon atoms.
- The term "alkoxyl group", "alkoxy group" or "alkyloxy group" as used herein means an oxygen radical attached to an alkyl group, but not limited to, and has 1 to 60 carbon atoms.
- Unless otherwise stated, the term "alkenoxyl group", "alkenoxy group", "alkenyloxy group" or "alkenyloxy group", as used herein, means anoxygen radical attached to an alkenyl group, but is not limited thereto, and has 2 to 60 carbon atoms.
- Unless otherwise stated, the term "aryloxyl group" or "aryloxy group", as used herein, means an oxygen radical attached to an aryl group, but is not limited thereto, and has 6 to 60 carbon atoms.
- Unless otherwise stated, the term "aryl group" or "arylene group", as used herein, has 6 to 60 carbon atoms, but is not limited thereto. Herein, the aryl group or arylene group means a monocyclic and polycyclic aromatic group, and may also be formed in conjunction with an adjacent group. Examples of "aryl group" may include a phenyl group, a biphenyl group, a fluorene group, or a spirofluorene group.
- The prefix "aryl" or "ar" means a radical substituted with an arylgroup. For example, an arylalkyl may be an alkyl substituted with an aryl, and an arylalkenyl may be an alkenyl substituted with aryl, and a radical substituted with an aryl has a number of carbon atoms as defined herein.
- Also, when prefixes are named subsequently, it means that substituents are listed in the order described first. For example, an arylalkoxy means an alkoxy substituted with an aryl, an alkoxylcarbonyl means a carbonyl substituted with an alkoxyl, and an arylcarbonylalkenyl also means an alkenyl substituted with an arylcarbonyl, wherein the arylcarbonyl may be a carbonyl substituted with an aryl.
- Unless otherwise stated, the term "heteroalkyl", as used herein, means alkyl containing one or more of heteroatoms. Unless otherwise stated, the term "heteroaryl group" or "heteroarylene group", as used herein, means a C2 to C60 aryl containing one or more of heteroatoms or arylene group, but is not limited thereto, and includes at least one of monocyclic and polycyclic rings, and may also be formed in conjunction with an adjacent group.
- Unless otherwise stated, the term "heterocyclic group", as used herein, contains one or more heteroatoms, but is not limited thereto, has 2 to 60 carbon atoms, includes any one of monocyclic and polycyclic rings, and may include heteroaliphatic ring and/or heteroaromatic ring. Also, the heterocyclic group may also be formed in conjunction with an adjacent group.
- Unless otherwise stated, the term "heteroatom", as used herein, represents at least one of N, O, S, P, or Si.
-
- Unless otherwise stated, the term "aliphatic", as used herein, means an aliphatic hydrocarbon having 1 to 60 carbon atoms, and the term "aliphatic ring", as used herein, means an aliphatic hydrocarbon ring having 3 to 60 carbon atoms.
- Unless otherwise stated, the term "ring", as used herein, means an aliphatic ring having 3 to 60 carbon atoms, or an aromatic ring having 6 to 60 carbon atoms, or a hetero ring having 2 to 60 carbon atoms, or a fused ring formed by the combination of them, and includes a saturated or unsaturated ring.
- Other hetero compounds or hetero radicals other than the above-mentioned hetero compounds include, but are not limited thereto, one or more heteroatoms.
- Unless otherwise stated, the term "carbonyl", as used herein, is represented by -COR', wherein R' may be hydrogen, an alkyl having 1 to 20 carbon atoms, an aryl having 6 to 30 carbon atoms, a cycloalkyl having 3 to 30 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an alkynyl having 2 to 20 carbon atoms, or the combination of these.
- Unless otherwise stated, the term "ether", as used herein, is represented by -R-O-R', wherein R or R' may be independently hydrogen, an alkyl having 1 to 20 carbon atoms, an aryl having 6 to 30 carbon atoms, a cycloalkyl having 3 to 30 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an alkynyl having 2 to 20 carbon atoms, or the combination of these.
- Unless otherwise stated, the term "substituted or unsubstituted" as used herein means that substitution is carried out by at least one substituent selected from the group consisting of, but not limited to, deuterium, halogen, an amino group, a nitrile group, a nitro group, a C1-C20 alkyl group, a C1-C20 alkoxy group, a C1-C20 alkylamine group, a C1-C20 alkylthiophene group, a C6-C20 arylthiophene group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C3-C20 cycloalkyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted by deuterium, a C8-C20 arylalkenyl group, a silane group, a boron group, a germanium group, and a C2-C20 heterocyclic group.
-
- Wherein, when a is an integer of zero, the substituent R1 is absent, that is, hydrogen atoms are bonded to all the carbon constituting the benzene ring, and chemical formulas or compounds may be written without explicitly describing the hydrogen. In addition, one substituent R1 is bonded to any carbon of the carbons forming the benzene ring when "a" is an integer of 1, substituents R1 are bonded, for example, as followings when "a" is an integer of 2 or 3, substituents R1 are bonded to the carbon of the benzene ring in a similar manner when "a" is an integer of 4 to 6, and R's may be the same or different from each other when "a" is an integer of 2 or more.
- Unless otherwise expressly stated, the terms "ortho", "meta", and "para" used in the present invention refer to the substitution positions of all substituents, and the ortho position indicates the position of the substituent immediately adjacent to the compound, for example, when benzene is used, it means 1, 2 position, and the meta position is the next substitution position of the neighbor substitution position, when benzene as an example stands for 1, 3 position, and the para position is the next substitution position of the meta position, which means 1, 4 position when benzene is taken as an example. A more detailed example of the substitution position is as follows, and it can be confirmed that the ortho-, and meta- position are substituted by non-linear type and para positions are substituted by linear type.
-
-
-
- Hereinafter, a compound according to an aspect of the present invention and an organic electric element comprising the same will be described.
-
- 1) A ring is C10 aryl group,
- 2) B ring is selected from the group consisting of the following formulas B-1 to B-16:
- 3) W1 and W2 are each independently a single bond, S or O,
- 4) V is N or C,
- 5) X is O or S,
- 6) a is an integer of 0 to 6, b and c are each an integer of 0 to 4, d is an integer of 0 to 11, and
- 7) R1, R2, R3 and R4 are the same or different from each other, and are each independently selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a nitro group, a C6-C60 aryl group, a fluorenyl group, a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, a C1-C50 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C1-C30 alkoxyl group, a C6-C30 aryloxyl group and -L'-N(Ra)(Rb).
Where R1 to R4 are an aryl group, preferably R1 to R4 may be each a C6-C30 aryl group, more preferably a C6-C18 aryl group. Where R1 to R4 are a heterocyclic group, preferably R1 to R4 may be each a C2-C40 heterocyclic group, more preferably a C2-C30 heterocyclic group, more preferably a C2-C20 heterocyclic group.
In case a, b and c are 2 or more, R1, R2 and R3 are each in plural and are the same or different, and a plurity of R1, a plurity of R2, or a plurity of R3 may be bonded to each other to form a ring. - 8) L' is selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and a C2-C60 heterocyclic group, Ra and Rb are each independently selected from the group consisting of a C6-C60 aryl group, a fluorenyl group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P.
- 9) L1 is each independently selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and a C2-C60 heterocyclic group.
- The aryl group, fluorenyl group, arylene group, heterocyclic group, fused ring group, alkyl group, alkenyl group, alkoxyl group, and aryloxy group may be each optionally further substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, - L'-N(Ra)(Rb), a C1-C20 alkylthio group, a C1-C20 alkoxyl group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted with deuterium, a fluorenyl group, a C2-C20 heterocyclic grou, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group, and these substituents may be linked each other to form a ring, wherein 'ring' comprises a C3-C60 aliphatic ring, a C6-C60 aromatic ring, a C2-C60 heterocyclic group or a fused ring formed by the combination of them, and comprises a saturated or unsaturated ring.
-
- In
Formulas 2 to 4, X, L1, Ar1, R1, R2, R3, a, b and c are the same as defined above. -
- In
Formulas 5 to 7, X, L1, Ar1, R1, R2, R3, R4, a, b, c, d, B ring are the same as defined above. -
- In Formulas C-1 to C-22, R4 is the same as defined above, and d is an integer of 0 to 11.
-
- In Formulas R-1 to R-10,
- 1) Q1 to Q15 are each independently CRg or N,
- 2) W1 is S, O or NRh,
- 3) W2 to W4 are each independently S, O, NRh or CRiRj,
- 4) Re is selected from the group consisting of hydrogen, deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxyl group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted with deuterium, a fluorenyl group, a C2-C20 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group, and when these substituents are adjacent, they may be linked each other to form a ring,
- 5) R1 and Rg are each independently selected from the group consisting of hydrogen, deuterium, a C6-C20 aryl group, a fluorenyl group, a fused ring group of a C3-C20 aliphatic ring and a C6-C20 aromatic ring, a C2-C20 heterocyclic group containing at least one heteroatom selected from O, N, S, Si, and P, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, and a C1-C30 alkoxyl group,
- 6) Rh, Ri and Rj are each independently selected from the group consisting of a C6-C20 aryl group, a C2-C20 heterocyclic group containing at least one heteroatom selected from O, N, S, Si, and P, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C1-C20 alkoxyl group and a fluorenyl group, Ri and Rj may be linked each other to form a spiro compound together with C to which they are bonded,
- 7) q is each independently an integer of 0 to 5,
- 8) r is each independently an integer of 0 to 4,
- 9) s is each independently an integer of 0 to 3,
-
- Referring to
Fig.1 , an organicelectric element 100 according to an embodiment of the present invention includes afirst electrode 120 formed on asubstrate 110, asecond electrode 180, and an organic material layer between thefirst electrode 110 and thesecond electrode 180, wherein the organic material layer contains compound represented byFormula 1. Here, thefirst electrode 120 may be an anode (positive electrode), and thesecond electrode 180 may be a cathode (negative electrode). In the case of an inverted organic electric element, the first electrode may be a cathode, and the second electrode may be an anode. - The organic material layer may include a
hole injection layer 130, ahole transport layer 140, alight emitting layer 150, anelectron transport layer 160, and anelectron injection layer 170 formed in sequence on thefirst electrode 120. Here, the remaing layers except thelight emitting layer 150 may not be formed. The organic material layer may further include a hole blocking layer, an electron blocking layer, an emission-auxiliary layer 151, an electron transport auxiliary layer, abuffer layer 141, etc., and theelectron transport layer 160 and the like may serve as a hole blocking layer. - Although not shown, the organic electric element according to an embodiment of the present invention may further include at least one protective layer formed on at least one of the sides the first and second electrodes, which is a side opposite to the organic material layer.
- Otherwise, even if the same core is used, the band gap, the electrical characteristics, the interface characteristics, and the like may vary depending on which substituent is bonded at which position, therefore the choice of core and the combination of sub-substituents associated therewith is also very important, and in particular, when the optimal combination of energy levels and T1 values and unique properties of materials (mobility, interfacial characteristics, etc.) of each organic material layer is achieved, a long life span and high efficiency can be achieved at the same time.
- The organic electroluminescent device according to an embodiment of the present invention may be manufactured using a PVD (physical vapor deposition) method. For example, a metal or a metal oxide having conductivity or an alloy thereof is deposited on a substrate to form a cathode, and the organic material layer including the hole injection layer (130), the hole transport layer (140), the emitting layer (150), the electron transport layer (160), and the electron injection layer (170) is formed thereon, and then depositing a material usable as a cathode thereon can manufacture an organic electroluminescent device according to an embodiment of the present invention.
- In addition, an emission auxiliary layer (151) may be further formed between the hole transport layer(140) and the emitting layer(150), and an electron transport auxiliary layer may be further formed between the emitting layer (150) and the electron transport layer (160).
- The present invention may further include a light efficiency enhancing layer formed on at least one of the opposite side to the organic material layer among one side of the first electrode, or one of the opposite side to the organic material layer among one side of the second electrode.
- Also, the present invention provides the organic electric element wherein the organic material layer is formed by one of a spin coating process, a nozzle printing process, an inkjet printing process, a slot coating process, a dip coating process or a roll-to-roll process, and since the organic material layer according to the present invention can be formed by various methods, the scope of the present invention is not limited by the method of forming the organic material layer.
- The compound represented by
Formula 1 may be comprised in the organic material layer, and in at least one layer of a hole injection layer, a hole transport layer, an emission auxiliary layer and the emitting layer, and the compound may be included as a single compound or a mixture of two or more different kinds. - As another specific example, the present invention provides an organicelectric element wherein the emitting layer of the organic material layer is a phosphorescent light emitting layer. For example, compound of the present invention may be used as material of a
light emitting layer 150, ahole transport layer 140 and/or an emission-auxiliary layer 151, preferably, as host material of alight emitting layer 150, more preferably, as phosphorescent red host material. - The organic electric element according to an embodiment of the present invention may be of a top emission type, a bottom emission type, or a dual emission type depending on the material used.
- WOLED (White Organic Light Emitting Device) has advantages of high resolution realization, an excellent processability, and being produced by using conventional color filter technologies for LCDs. Various structures for WOLED which mainly used as back light units have been suggested and patented. WOLED may employ various arrangement methods, representatively, a parallel side-by-side arrangement method of R(Red), G(Green), B(Blue) light-emitting units, a vertical stack arrangement method of RGB light-emitting units, and a CCM (color conversion material) method which uses electroluminescence from a blue (B) organic light emitting layer and photo-luminescence of inorganic phosphors using lighting of electroluminescence from a blue (B) organic light emitting layer, and the present invention may be applied to such WOLED.
- Also, the present invention provides an electronic device including a display device which includes the above described organic electric element, and a control unit for controlling the display device.
- Another embodiment of the present invention provides an electronic device including the organic electric element, wherein the organic electric element may be any one of an organic light emitting diode, an organic solar cell, an organic photo conductor, an organic transistor, and an element for monochromatic or white illumination. Here, the electronic device may be a wired/wireless communication terminal which is currently used or will be used in the future, and covers all kinds of electronic devices including a mobile communication terminal such as a cellular phone, a personal digital assistant (PDA), an electronic dictionary, a point-to-multipoint (PMP), a remote controller, a navigation unit, a game player, various kinds of TVs, and various kinds of computers.
- Hereinafter, Synthesis Examples of the compound represented by
Formula -
- R4' can be the same as the definition of R4, and means a substituent which is the same as R4 or different from R4.
-
-
- 1) The synthesis method disclosed in Korean Patent No.
10-1488560 - 2) The synthesis method disclosed in international published patent
PCT/EP2015/068240 - 3) The synthesis method disclosed in Chinese Publishe Patent No.
2016-10316704 - 4) The synthesis method disclosed in Korean Laid-Open Patent Publication No.
2015-0130953 - Synthesis Examples of compounds comprised in
Sub 1 are as follows. -
- (4-bromonaphthalen-1-yl)boronic acid (28g, 111.6mmol) was dissolved in THF (491ml) in a round bottom flask, then 2-iodo-1-(methylsulfinyl)naphthalene (35.28g, 111.6mmol), Pd(PPh3)4 (1.93g, 1.67mmol), NaOH (6.70g, 167.40mmol) and water (246ml) were added and stirred at 80°C. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 30 g (yield: 68%) of the product.
- S-I-1 (30g, 75.89mmol) obtained in the above synthesis was added into a round bottom flask together with triflic acid (100.7ml, 1138.35mmol) and stirred at room temperature for 24 hours. Then, a pyridine aqueous solution (1329ml, pyridine:H2O = 1:5) was slowly added dropwise, refluxed and stirred for 30 minutes. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 21.8g (yield: 79%) of the product.
-
- 30.16g (yield: 66%) of the product was obtained by using (4-bromonaphthalen-1-yl)boronic acid (29g, 115.59mmol), THF (509ml), 2-iodo-3-(methylsulfinyl)naphthalene (36.54g, 115.59mmol), Pd(PPh3)4 (2g, 1.73mmol), NaOH (6.94g, 173.38mmol), and water (254ml) in the same manner as described above for the synthesis of S-I-1.
- 20.1g (yield: 73%) of the product was obtained by using S-I-2 (30g, 75.89mmol) obtained in the above synthesis, triflic acid (100.7ml, 1138.35mmol), pyridine aqueous solution (1329.6ml, pyridine : H2O = 1 : 5) in the same manner as described above for the synthesis of M-I-1.
-
- 30.77g (yield: 63%) of the product was obtained by using (4-bromonaphthalen-1-yl)boronic acid (31g, 123.56mmol), THF (543ml), 1-iodo-2-(methylsulfinyl)naphthalene (31g, 123.56mmol), Pd(PPh3)4 (2.14g, 1.85mmol), NaOH (7.41g, 185.34mmol), and water (272ml) in the same manner as described above for the synthesis of S-I-1.
- 20.7g (yield: 75%) of the product was obtained by using S-I-3 (30g, 75.89mmol) obtained in the above synthesis, triflic acid (100.7ml, 1138.35mmol), pyridine aqueous solution (1329.6ml, pyridine : H2O = 1 : 5) in the same manner as described above for the synthesis of M-I-1.
-
- 30.29g (yield: 64%) of the product was obtained by using (4-bromonaphthalen-1-yl)boronic acid (34g, 135.52mmol), THF (596ml), 3-iodonaphthalen-2-ol (36.60g, 135.52mmol), Pd(PPh3)4 (2.35g, 2.03mmol), NaOH (8.13g, 203.28mmol), and water (298ml) in the same manner as described above for the synthesis of S-I-1.
- The starting material S-I-4 (30g, 85.90mmol) was added into a round bottom flask together with Pd(OAc)2 (1.93g, 8.59mmol), 3-nitropyridine (1.07g, 8.59mmol) and dissolved in C6F6 (128.9ml) and DMI (85.9ml). Then, tert-butyl peroxybenzoate (33.37g, 171.81mmol) was added and stirred at 90°C. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 21.18g (yield: 71%) of product.
-
- 30.21g (yield: 62%) of the product was obtained by using (4-bromonaphthalen-1-yl)boronic acid (35g, 139.50mmol), THF (614ml), 2-iodonaphthalen-1-ol (37.68g, 139.50mmol), Pd(PPh3)4 (2.42g, 2.09mmol), NaOH (8.37g, 209.26mmol), and water (307ml) in the same manner as described above for the synthesis of S-I-1.
- 22.07g (yield: 74%) of the product was obtained by using S-I-5 (30g, 85.90mmol) obtained in the above synthesis, Pd(OAc)2 (1.93g, 8.59mmol), 3-nitropyridine (1.07g, 8.59mmol), C6F6 (128.9ml), DMI (85.9ml), tert-butyl peroxybenzoate (33.37g, 171.81mmol) in the same manner as described above for the synthesis of M-I-4.
-
- 31.67g (yield: 65%) of the product was obtained by using (4-bromonaphthalen-1-yl)boronic acid (35g, 139.50mmol), THF (614ml), 1-iodonaphthalen-2-ol (37.68g, 139.50mmol), Pd(PPh3)4 (2.42g, 2.09mmol), NaOH (8.37g, 209.26mmol), and water (307ml) in the same manner as described above for the synthesis of S-I-1.
- 22.67g (yield: 76%) of the product was obtained by using S-I-6 (30g, 85.90mmol) obtained in the above synthesis, Pd(OAc)2 (1.93g, 8.59mmol), 3-nitropyridine (1.07g, 8.59mmol), C6F6 (128.9ml), DMI (85.9ml), tert-butyl peroxybenzoate (33.37g, 171.81mmol) in the same manner as described above for the synthesis of M-I-4.
-
- The starting material M-I-1 (70g, 192.69mmol) was dissolved in DMF (1214ml) in a round bottom flask, and then Bis(pinacolato)diboron (53.83g, 211.96mmol), Pd(dppf)Cl2 (4.23g, 5.78mmol), KOAc(56.73g, 578.08mmol) were added and stirred at 90°C. When the reaction was completed, DMF was removed by distillation and the reaction product was extracted with CH2Cl2 and water. Then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 64.05g (yield: 81%) of the product.
- Sub 1-I-1 (63.2g, 154.02mmol) obtained in the above synthesis was dissolved in THF (216ml) in a round bottom flask, and then 1-bromo-2-nitrobenzene (34.22g, 169.42mmol), Pd(PPh3)4 (4.23g, 4.62mmol), K2CO3 (44.40g, 462.06mmol), water (108ml) were added and stirred at 80°C. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 45.59g (yield: 73%) of the product.
- Sub 1-II-1 (45.50, 112.22mmol) obtained in the above synthesis was dissolved in o-dichlorobenzene (224ml) in a round bottom flask, and then triphenylphosphine (88.30g, 336.65mmol) was added and stirred at 200°C. When the reaction was completed, o-dichlorobenzene was removed by distillation and, and then the reaction product was extracted with CH2Cl2 and water. Then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 31.85g (yield: 76%) of the product.
- Sub 1-III-1 (30g, 80.33mmol) obtained in the above synthesis was dissolved in toluene (843ml) in a round bottom flask, and then 2,3-dichloroquinoxaline (15.99g, 80.33mmol), Pd2(dba)3 (1.1g, 1.2mmol), P(t-Bu)3 (0.81g, 4.02mmol), NaOt-Bu (11.58g, 120.49mmol) were added and stirred at 100°C. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 17.65g (yield: 41%) of the product.
-
- 2-(3-bromo-4-nitrophenyl)-9-phenyl-9H-carbazole (44.29g, 99.92mmol), Pd(PPh3)4 (3.46g, 3.00mmol), K2CO3 (41.43g, 299.75mmol), THF (440ml), water (220ml) were added to Sub 1-I-1 (41g, 99.92mmol) obtained in the above synthesis, and then 47.82g (yield: 74%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (57.18g, 218.01mmol), o-dichlorobenzene (145ml) were added to Sub 1-II-2 (47g, 72.67mmol) obtained in the above synthesis, and then 28.15g (yield: 63%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 2,3-dichlorobenzo[f]quinoxaline (12.48g, 50.10mmol), Pd2(dba)3 (1.25g, 1.37mmol), P(t-Bu)3 (0.74g, 3.64mmol), NaOt-Bu (13.13g, 136.64mmol), toluene (228ml) were added to Sub 1-III-2 (28g, 45.55mmol) obtained in the above synthesis, and then 15.07g (yield: 40%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
-
- 1,4-dibromobenzene (17.16g, 72.72mmol), Pd2(dba)3 (0.91g, 0.99mmol), P(t-Bu)3 (0.67g, 3.31mmol), NaOt-Bu (9.53g, 99.17mmol), toluene (694ml) were added to Sub 1-III-9 (28g, 66.11mmol) obtained in the above synthesis, and then 27.16g (yield: 71%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
- Sub 1-IV-1 (27.16g, 46.95mmol) obtained in the above synthesis was dissolved in DMF (235ml) in a round bottom flask, and Bis(pinacolato)diboron (13.11g, 51.64mmol), Pd(dppf)Cl2 (1.03g, 1.41mmol), KOAc (13.82g, 140.84mmol) were added, then, stirring at 120°C was followed. When the reaction was completed, DMF was removed by distillation, and the reaction product was extracted with CH2Cl2 and water, and then the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 22.03g (yield: 75%) of product.
- 2,3-dichlorobenzo[4,5]thieno[2,3-b]pyrazine (8.98g, 35.21mmol), Pd(PPh3)4 (0.61g, 0.53mmol), K2CO3 (7.30g, 52.82mmol), THF (155ml), water (77.47ml) were added to Sub 1-V-1 (22.03g, 35.21mmol) obtained in the above synthesis, and then 9.61g (yield: 38%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
-
- 86.51g (yield: 70%) of the product was obtained by using (4-bromo-6-(dibenzo[b,d]furan-2-yl)naphthalen-1-yl)boronic acid (100g, 239.77mmol), THF (1055ml), 2-iodonaphthalen-1-ol (64.75g, 239.77mmol), Pd(PPh3)4 (4.16g, 3.60mmol), NaOH (14.39g, 359.65mmol), and water (527ml) in the same manner as described above for the synthesis of S-I-1.
- The starting material S-I-7 (86g, 166.86mmol) was added into a round bottom flask together with Pd(OAc)2 (3.75g, 16.69mmol), 3-nitropyridine (2.07g, 16.69mmol) and dissolved in C6F6 (250ml) and DMI (167ml). Then, tert-butyl peroxybenzoate (64.82g, 333.71mmol) was added and stirred at 90°C. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 62.53g (yield: 73%) of product.
- 51.86g (yield: 76%) of the product was obtained by using M-I-7 (62.50g, 121.74mmol) obtained in the above synthesis, DMF (609ml), Bis(pinacolato)diboron (34.01g, 133.91mmol), Pd(dppf)Cl2 (2.67g, 3.65mmol), KOAc (35.84g, 365.22mmol) in the same manner as described above for the synthesis of Sub I-V-1.
- 1-bromo-2-nitrobenzene (18.67g, 92.42mmol), Pd(PPh3)4 (3.2g, 2.77mmol), K2CO3 (38.32g, 277.27mmol), THF (407ml), water (203ml) were added to Sub 1-I-3 (51.8g, 92.42mmol) obtained in the above synthesis, and then 43.13g (yield: 84%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (60.9g, 232.19mmol), o-dichlorobenzene (155ml) were added to Sub 1-II-3 (43g, 77.4mmol) obtained in the above synthesis, and then 31.61g (yield: 78%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 2,3-dichlorobenzofuro[2,3-b]pyrazine (15.88g, 66.41mmol), Pd2(dba)3 (1.66g, 1.81mmol), P(t-Bu)3 (0.98g, 4.83mmol), NaOt-Bu (17.41g, 181.11mmol), toluene (302ml) were added Sub 1-III-3 (31.61g, 60.37mmol) obtained in the above synthesis, and then 18.41g (yield: 42%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
-
- 93.70g (yield: 79%) of the product was obtained by using M-I-2 (105g, 289.04mmol) obtained in the above synthesis, DMF (1445ml), Bis(pinacolato)diboron (80.74g, 317.95mmol), Pd(dppf)Cl2 (6.34g, 8.67mmol), KOAc (85.10g, 867.12mmol) in the same manner as described above for the synthesis of Sub 1-V-1.
- 1-bromo-2-nitrobenzene (45.78g, 226.64mmol), Pd(PPh3)4 (7.86g, 6.80mmol), K2CO3 (93.97g, 679.92mmol), THF (997ml), water (498ml) were added to M-I-4 (93g, 226.64mmol) obtained in the above synthesis, and then 76.27g (yield: 83%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (147.49g, 562.31mmol), o-dichlorobenzene (375ml) were added to Sub 1-II-4 (76g, 187.44mmol) obtained in the above synthesis, and then 53.20g (yield: 76%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 1,3-dibromodibenzo[b,d]thiophene (48.54g, 141.91mmol), Pd2(dba)3 (1.95g, 2.13mmol), P(t-Bu)3 (1.44g, 7.10mmol), NaOt-Bu (20.46g, 212.87mmol), toluene (1490ml) were added to Sub 1-III-4 (53g, 141.91mmol) obtained in the above synthesis, and then 32.42g (yield: 36%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
- 25.09g (yield: 73%) of the product was obtained by using Sub 1-IV-2 (32g, 50.42mmol) obtained in the above synthesis, DMF (252ml), Bis(pinacolato)diboron (14.09g, 55.47mmol), Pd(dppf)Cl2 (1.11g, 1.51mmol), KOAc (14.85g, 151.27mmol) in the same manner as described above for the synthesis of Sub I-V-1.
- 2,3-dichlorobenzofuro[2,3-b]pyrazine (8.77g, 36.67mmol), Pd(PPh3)4 (0.64g, 0.55mmol), K2CO3 (7.60g, 55.01mmol), THF (161ml), water (80ml) were added to Sub 1-V-2 (25g, 36.67mmol) obtained in the above synthesis, and then 11.40g (yield: 41%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
-
- 17.91g (yield: 83%) of the product was obtained by using M-I-5 (19g, 54.72mmol) obtained in the above synthesis, DMF (274ml), Bis(pinacolato)diboron (15.29g, 60.19mmol), Pd(dppf)Cl2 (1.20g, 1.64mmol), KOAc (16.11g, 164.17mmol) in the same manner as described above for the synthesis of Sub 1-V-1.
- 1-bromo-2-nitrobenzene (8.71g, 43.12mmol), Pd(PPh3)4 (1.49g, 1.29mmol), K2CO3 (17.88g, 129.35mmol), THF (189ml), water (95ml) were added to Sub 1-I-5 (17g, 43.12mmol) obtained in the above synthesis, and then 14.61g (yield: 87%) of the product was obtained by earring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (29.30g, 111.71mmol), o-dichlorobenzene (74ml) were added to Sub 1-II-5 (14.5g, 37.24mmol) obtained in the above synthesis, and then 10.65g (yield: 80%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 2,3-dichloroquinoxaline (5.85g, 29.38mmol), Pd2(dba)3 (0.40g, 0.44mmol), P(t-Bu)3 (0.30g, 1.47mmol), NaOt-Bu (4.23g, 44.07mmol), toluene (308ml) were added to Sub 1-III-5 (10.5g, 29.38mmol) obtained in the above synthesis, and then 11g (yield: 72%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
-
- (4-chloronaphthalen-1-yl)boronic acid (31.07g, 150.5mmol), THF (662ml), 3-bromo-6-(dibenzo[b,d]thiophen-3-yl)naphthalen-2-ol (61g, 150.5mmol), Pd(PPh3)4 (2.61g, 2.26mmol), NaOH (9.03g, 225.75mmol), water (331ml) were reacted in the same manner as described above for the synthesis of Sub S-I-1 to obtain 51.31g (yield: 70%) of the product.
- S-I-8 (51g, 104.72mmol), Pd(OAc)2 (2.35g, 10.47mmol), 3-nitropyridine (1.30g, 10.47mmol) were dissolved in C6F6 (157.1ml) and DMI (104ml) and tert-butyl peroxybenzoate (40.68g, 209.44mmol) was added, and then, 36.57g (yield: 72%) of the product was obtained by carring out in the same manner as described above for the synthesis of M-I-8.
- 34.23g (yield: 80%) of the product was obtained by using M-I-8 (36g, 74.23mmol) obtained in the above synthesis, DMF (371ml), Bis(pinacolato)diboron (20.73g, 81.65mmol), Pd(dppf)Cl2 (1.63g, 2.23mmol), KOAc (21.85g, 222.68mmol) in the same manner as described above for the synthesis of Sub 1-V-1.
- 1-bromo-2-nitrobenzene (11.91g, 58.97mmol), Pd(PPh3)4 (2.04g, 1.77mmol), K2CO3 (24.45g, 176.92mmol), THF (259ml), water (129ml) were added to Sub 1-I-6 (34g, 58.97mmol) obtained in the above synthesis, and then 27.64g (yield: 82%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (37.85g, 144.32mmol), o-dichlorobenzene (96ml) were added to Sub 1-II-6 (27.5g, 48.11mmol) obtained in the above synthesis, and then 20.25g (yield: 78%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 2,3-dichlorobenzo[f]quinoxaline (9.23g, 37.06mmol), Pd2(dba)3 (0.51g, 0.56mmol), P(t-Bu)3 (0.37g, 1.85mmol), NaOt-Bu (5.34g, 55.59mmol), toluene (389ml) were added to Sub 1-III-6 (20g, 37.06mmol) obtained in the above synthesis, and then 11.15g (yield: 40%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
-
- 20.38g (yield: 82%) of the product was obtained by using M-I-3 (22g, 60.56mmol) obtained in the above synthesis, DMF (302ml), Bis(pinacolato)diboron (16.92g, 66.62mmol), Pd(dppf)Cl2 (1.33g, 1.82mmol), KOAc (17.83g, 181.68mmol) in the same manner as described above for the synthesis of Sub I-V-1.
- 1-bromo-2-nitrobenzene (9.6g, 47.52mmol), Pd(PPh3)4 (1.65g, 1.43mmol), K2CO3 (19.70g, 142.56mmol), THF (209ml), water (105ml) were added Sub 1-I-7 (19.5g, 47.52mmol) obtained in the above synthesis, and then 16.38g (yield: 85%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (31.05g, 118.38mmol), o-dichlorobenzene (79ml) were added to Sub 1-II-7 (16g, 39.46mmol) obtained in the above synthesis, and then 12.08g (yield: 82%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 2,3-dichloroquinoxaline (6.40g, 32.13mmol), Pd2(dba)3 (0.44g, 0.48mmol), P(t-Bu)3 (0.33g, 1.61mmol), NaOt-Bu (4.63g, 48.20mmol), toluene (337ml) were added to Sub 1-III-7 (12g, 32.13mmol) obtained in the above synthesis, and then 11.71g (yield: 68%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
-
- 3-bromo-7-iododibenzo[b,d]furan (38.95g, 104.43mmol), Pd2(dba)3 (1.43g, 1.57mmol), P(t-Bu)3 (1.06g, 5.22mmol), NaOt-Bu (15.05g, 156.64mmol), toluene (1096ml) were added to Sub 1-III-7 (39g, 104.43mmol) obtained in the above synthesis, and then 38.76g (yield: 60%) of the product was obtained by earring out in the same manner as described above for the synthesis of Sub 1-1.
- 31.49g (yield: 76%) of the product was obtained by using Sub 1-IV-3 (38.5g, 62.24mmol) obtained in the above synthesis, DMF (311ml), Bis(pinacolato)diboron (17.39g, 68.47mmol), Pd(dppf)Cl2 (1.37g, 1.87mmol), KOAc (18.33g, 186.73mmol) in the same manner as described above for the synthesis of Sub I-V-1.
- 2,3-dichlorobenzofuro[2,3-b]pyrazine (11.13g, 46.57mmol), Pd(PPh3)4 (0.81g, 0.70mmol), K2CO3 (9.66g, 69.86mmol), THF (205ml), water (102ml) were added to Sub 1-V-3 (31g, 46.57mmol) obtained in the above synthesis, and then 11.06g (yield: 32%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
-
- 17.94g (yield: 79%) of the product was obtained by using M-I-6 (20g, 57.60mmol) obtained in the above synthesis, DMF (288ml), Bis(pinacolato)diboron (16.09g, 63.36mmol), Pd(dppf)Cl2 (1.26g, 1.73mmol), KOAc (16.96g, 172.81mmol) in the same manner as described above for the synthesis of Sub I-V-1.
- 3-bromo-4-nitro-1,1'-biphenyl (11.99g, 43.12mmol), Pd(PPh3)4 (1.49g, 1.29mmol), K2CO3 (17.88g, 129.35mmol), THF (189ml), water (94ml) were added to Sub 1-I-8 (17g, 43.12mmol) obtained in the above synthesis, and then 15.45g (yield: 77%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-II-1.
- Triphenylphosphine (25.36g, 96.67mmol), o-dichlorobenzene (64ml) were added to Sub 1-II-8 (15g, 32.22mmol) obtained in the above synthesis, and then 11.73g (yield: 84%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-III-1.
- 2,3-dichlorodibenzo[f,h]quinoxaline (7.59g, 25.37mmol), Pd2(dba)3 (0.35g, 0.38mmol), P(t-Bu)3 (0.26g, 1.27mmol), NaOt-Bu (3.66g, 38.06mmol), toluene (266ml) were added to Sub 1-III-8 (11g, 25.37mmol) obtained in the above synthesis, and then 11.13g (yield: 63%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 1-1.
-
[Table 1] Compound FD-MS Compound FD-MS Sub 1-1 m/z=541.05(C32H16ClS2S2=542.07) Sub 1-4 m/z=782.14(C50H27ClN4S2=783.36) Sub 1-10 m/z=717.11(C46H24ClN3S2=718.29) Sub 1-18 m/z=519.11(C34H18ClN3O=519.99) Sub 1-24 m/z=725.15(C48H24ClN3O3=726.19) Sub 1-41 m/z=7.57.10(C48H24ClN3OS2=758.31) Sub 1-44 m/z=751.15(C50H26ClN3OS=752.29) Sub 1-52 m/z=535.09(C34H18ClN3S=536.05) Sub 1-64 m/z=741.13(C48H24ClN3O2S=742.25) Sub 1-70 m/z=695.18(C48H26ClN3O=696.21) -
- Synthesis Examples of compounds comprised in
Sub 2 are as follows. -
- The starting material bromobenzene (29.16 g, 185.72 mmol) was dissolved in DMF (930ml) in a round bottom flask, and then Bis(pinacolato)diboron (51.88 g, 204.29 mmol), Pd(dppf)Cl2 (4.55 g, 5.57 mmol), KOAc (54.68 g, 557.16 mmol) were added and stirred at 90°C. When the reaction was completed, DMF was removed by distillation and the reaction product was extracted with CH2Cl2 and water. Then, the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 31.84 g (yield: 84%) of the product.
-
- Bis(pinacolato)diboron (29.04 g, 114.37 mmol), Pd(dppf)Cl2 (2.55 g, 3.12 mmol), KOAc (30.61 g, 311.92 mmol), DMF (520ml) were added to 2-bromonaphthalene (21.53 g, 103.97 mmol) being starting material, and then 21.14 g (yield: 80%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (19.46 g, 76.63 mmol), Pd(dppf)Cl2 (1.71 g, 2.09 mmol), KOAc (20.51 g, 209.00 mmol), DMF (350ml) were added to 3-bromo-1,1'-biphenyl (16.24 g, 69.67 mmol) being starting material, and then 15.81 g (yield: 81%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (18.70 g, 73.65 mmol), Pd(dppf)Cl2 (1.64 g, 2.01 mmol), KOAc (19.71 g, 200.88 mmol), DMF (335ml) were added to 1-bromobenzene-2,3,4,5,6-d5 (10.85 g, 66.96 mmol) being starting material, and then 10.22 g (yield: 73%) of the product was obtained by earring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (15.11 g, 59.48 mmol), Pd(dppf)Cl2(1.32 g, 1.62 mmol), KOAc (15.92 g, 162.23 mmol), DMF (270ml) were added to 4-bromodibenzo[b,d]thiophene (14.23 g, 54.08 mmol) being starting material, and then 13.76 g (yield: 82%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (18.48 g, 72.79 mmol), Pd(dppf)Cl2(1.62 g, 1.99 mmol), KOAc (19.48 g, 198.51 mmol), DMF (330ml) were added to 2-bromodibenzo[b,d]furan (16.35 g, 66.17 mmol) being starting material, and then 16.74 g (yield: 86%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (10.55 g, 41.55 mmol), Pd(dppf)Cl2 (0.93 g, 1.13 mmol), KOAc (11.12 g, 113.31 mmol), DMF (190ml) were added to 3-bromo-9-phenyl-9H-carbazole (12.17 g, 37.77 mmol) being starting material, and then 10.46 g (yield: 75%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (18.97 g, 74.70 mmol), Pd(dppf)Cl2 (1.66 g, 2.04 mmol), KOAc (19.99 g, 203.73 mmol), DMF (340ml) were added to 1-bromodibenzo[b,d]furan (16.78 g, 67.91 mmol) being starting material, and then 15.98 g (yield: 80%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
-
- Bis(pinacolato)diboron (12.59 g, 49.60 mmol), Pd(dppf)Cl2 (1.10 g, 1.35 mmol), KOAc (13.27 g, 135.26 mmol), DMF (225ml) were added to 1-bromothianthrene (13.31 g, 45.09 mmol) being starting material, and then 10.34 g (yield: 67%) of the product was obtained by carring out in the same manner as described above for the synthesis of Sub 2-1.
- The compound belonging to
Sub 2 may be, but not limited to, the following compounds, and Table 2 shows FD-MS (Field Desorption-Mass Spectrometry) values of compounds belonging toSub 2.[Table 2] Compound FD-MS Compound FD-MS Sub 2-1 m/z=204.13(C12H17BO2=204.08) Sub 2-3 m/z=254.15(C16H19BO2= 254.14) Sub 2-5 m/z=280.16(C18H21BO2=280.17) Sub 2-12 m/z=209.16(C12H12D5BO2=209.11) Sub 2-21 m/z=310.12(C18H19BO2S=310.22) Sub 2-28 m/z=29.14(C18H19BO3=294.16) Sub 2-32 m/z=369.19(C24H24BNO2=369.27) Sub 2-27 m/z=294.14(C18H19BO3=294.16) Sub 2-36 m/z=342.09(C18H19BO2S2=342.28) - Sub 1 (1 eq.) was dissolved in THF in a round bottom flask, and Pd(PPh3)4 (0.04 eq.), NaOH (3 eq.) and water were added, then, stirring at 70°C was followed. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain final product.
-
- Sub 1-1 (9g, 16.79mmol) was dissolved in THF(74ml) in a round bottom flask, and Sub 2-1 (3.43g, 16.79mmol), Pd(PPh3)4(0.78g, 0.67mmol), NaOH (2.01g, 50.37mmol) and water (37ml) were added, then, stirring at 70°C was followed. When the reaction was completed, the reaction product was extracted with CH2Cl2 and water, and then the organic layer was dried with MgSO4 and concentrated. Then, the concentrate was passed through silica gel column and recrystallized to obtain 7.47g (yield: 77%) of product.
-
- Sub 1-4 (9g, 10.88mmol), THF(48ml), Sub 2-1 (2.22g, 10.88mmol), Pd(PPh3)4 (0.5g, 0.44mmol), NaOH (1.31g, 32.63mmol), water (24ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 6.71g of the product (yield: 71%).
-
- Sub 1-10 (11g, 15.31mmol), THF(67ml), Sub 2-18 (3.4g, 15.31mmol), Pd(PPh3)4(0.71g, 0.61mmol), NaOH (1.84g, 45.94mmol), water (34ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 7.51g of the product (yield: 63%).
-
- Sub 1-1 (11g, 20.52mmol), THF(90ml), Sub 2-16 (4.21g, 20.52mmol), Pd(PPh3)4(0.95g, 0.82mmol), NaOH (2.46g, 61.56mmol), water (45ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 7.72g of the product. (yield: 65%).
-
- Sub 1-1 (11g, 20.52mmol), THF(90ml), Sub 2-34 (8.65g, 20.52mmol), Pd(PPh3)4(0.95g, 0.82mmol), NaOH (2.46g, 61.56mmol), water (45ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 9.95g of the product (yield: 61%).
-
- Sub 1-24 (11g, 15.15mmol), THF(66ml), Sub 2-20 (3.47g, 15.15mmol), Pd(PPh3)4(0.7g, 0.61mmol), NaOH (1.82g, 45.44mmol), water (33ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 7.69g of the product (yield: 64%).
-
- Sub 1-25 (11g, 19.64mmol), THF(86ml), Sub 2-13 (5.6g, 19.64mmol), Pd(PPh3)4 (0.91g, 0.79mmol), NaOH (2.36g, 58.93mmol), water (43ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 9.92g of the product (yield: 74%).
-
- Sub 1-29 (11g, 18.77mmol), THF(82ml), Sub 2-29 (5.54g, 18.77mmol), Pd(PPh3)4 (0.87g, 0.75mmol), NaOH (2.25g, 56.30mmol), water (41ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 8.5g of the product (yield: 63%).
-
- Sub 1-44 (11g, 14.62mmol), THF(64ml), Sub 2-22 (4.54g, 14.62mmol), Pd(PPh3)4 (0.68g, 0.58mmol), NaOH (1.75g, 43.87mmol), water (32ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 8.03g of the product (yield: 61%).
-
- Sub 1-52 (11g, 20.52mmol), THF(90ml), Sub 2-32 (7.58g, 20.52mmol), Pd(PPh3)4 (0.95g, 0.82mmol), NaOH (2.46g, 61.56mmol), water (45ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 10.98g of the product (yield: 72%).
-
- Sub 1-57 (11g, 14.32mmol), THF(63ml), Sub 2-1 (2.92g, 14.32mmol), Pd(PPh3)4(0.66g, 0.57mmol), NaOH (1.72g, 42.95mmol), water (31ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 8.35g of the product (yield: 72%).
-
- Sub 1-64 (11g, 14.82mmol), THF(65ml), Sub 2-1 (3.02g, 14.82mmol), Pd(PPh3)4 (0.69g, 0.59mmol), NaOH (1.78g, 44.46mmol), water (32ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 8.83g of the product (yield: 76%).
-
- Sub 1-78 (11g, 21.15mmol), THF(93ml), Sub 2-1 (4.32g, 21.15mmol), Pd(PPh3)4(0.98g, 0.85mmol), NaOH (2.54g, 63.46mmol), water (46ml) were carried out in the same manner as described above for the synthesis of the compound 1-1 to obtain 9.27g of the product (yield: 78%).
[Table 3] Compound FD-MS Compound FD-MS 1-1 m/z=577.16(C40H23N3S=577.71) 1-2 m/z=627.18(C44H44N25S-627.77) 1-4 m/z=868.27(C62H36N4S=869.06) 1-6 m/z=683.15(C26H25N3S2=683.85) 1-8 m/z=627.18(C44H25N3S=627.77) 1-14 m/z=868.27(C62H36N4S=869.06) 1-16 m/z=633.13(C42H23N3S2=033.79) 1-26 m/z=683.15(C26H25N3S2=683.85) 1-30 m/z=777.17(C52H28FN3S2=777.94) 1-34 m/z=667.17(C46H25N3OS=667.79) 1-39 m/z=693.19(C48H27N3-OS=693.82) 1-44 m/z=578.16(C39H22N4S=578.69) 1-45 m/z=794.23(C54H30N6S=794.94) 2-1 m/z=561.18(C40H23N3O=561.64) 2-4 m/z=707.17(C48H25N3O2S=707.81) 2-5 m/z=743.20(C52H29N3OS=743.88) 2-7 m/z=792.22(C55H28N4-O3=792.85) 2-9 m/z=682.24(C48H22D5N3O2=682.79) 3-1 m/z=577.16(C40H23N3S=577.71) 3-2 m/z=627.18(C44H25N3S=627.77) 3-4 m/z=653.19(C46H27N3S=653.80) 3-15 m/z=733.16(C50)H27N3S2=733.91) 3-16 m/z=718.18(C49H26N4OS=718.83) 3-19 m/z=683.15(C26H25N3S2=683.85) 3-36 m/z=693.19(C48H27N3-OS=693.82) 3-44 m/z=717.19(C50H27N3-OS=717.85) 3-45 m/z=799.18(C54H29S3-OS2=799.97) 4-1 m/z=161.18(C40H23N3O=561.64) 4-2 m/z=687.23(C50H29N3O=687.80) 4-3 m/z=899.21(C62H33N3OS2=900-09) 4-9 m/z=677.21(C48H27N3O2=677.76) 5-1 m/z=577.16(C40H23N3S=577.71) 5-2 m/z=627.18(C44H25N3S=627.77) 5-7 m/z=632.21(C44H20D5N3S=632.80) 5-8 m/z=677.19(C48H27N3S=677.83) 5-9 m/z=742.22(C52H30N4S=742.90) 5-11 m/z=818.25(C58H34N4S=819.00) 5-24 m/z=723.14(C48H25N3OS2=723.87) 5-25 m/z=809.20(C56H31N3S2=810.01) 5-26 m/z=709.16(C48H27N3S2=709.89) 5-31 m/z=683.15(C26H25N3S2=083.85) 5-41 m/z=783.20(C54H279N3O2S=783.91) 5-42 m/z=617.16(C42R23N3OS=(617.73) 5-44 m/z=733.22(C51H31N3OS=733.89) 6-1 m/z=611.20(C44H25N3O=611.70) 6-2 m/z=651.19(C46H25N3O2=651.73) 6-3 m/z=743.20(C52H29N3OS=743.88) 6-5 m/z=713.25(C52H31N3O=713.84) 6-7 m/z=737.25(C54H31N3O=737.86) 6-12 m/z=918.30(C66H38N4O2=919.06) 6-15 m/z=561.18(C40H23N3O=561.64) - In the above, even though an exemplary synthesis example of the present invention represented by the
Formula 1 are described, all of them are based on Buchwald-Hartwig cross coupling reaction, Miyaura boration reaction, Suzuki cross-coupling reaction, Intramolecular acid-induccd cyclization reaction (J. mater. Chem. 1999, 9, 2095.), Pd(II)-catalyzed oxidative cyclization reaction (Org. Lett. 2011, 13, 5504), Grignard reaction, Cyclic Dehydration reaction and PPh3-mediated reductive cyclization reaction (J. Org. Chem. 2005, 70, 5014.). Therefore, it will be understood by those skilled in the art that the above reaction proceeds even when other substituents (substituents of R1, R2, R3, R4, L1, L2, Ar1 and the like) defined inFormula 1 are bonded, in addition to the substituents described in the specific synthesis example. - Organic light emitting diodes (OLEDs) were fabricated according to a conventional method by using a compound obtained by synthesis as host material of a light emitting.
- First, an ITO layer (anode) was formed on a glass substrate, and a film of N1-(naphthalen-2-yl)-N4,N4-bis(4-(naphthalen-2-yl(phenyl)amino)phenyl)-N1-phenylbenzene-1,4-diamine (hereinafter abbreviated as "2-TNATA") was vacuum-deposited on the lTO(anode) layer to form a hole injection layer with a thickness of 60nm. Then, 4,4-bis[N-(1-naphthyl)-N-phenylamino]biphenyl (hereinafter abbreviated as "NPD") was vacuum-deposited on the hole injection layer to form a hole transfer layer with a thickness of 60nm.
- Subsequently, a light emitting layer with a thickness of 30nm was deposited on the hole transport layer by doping the hole transport layer with the compound 1-1 of the present invention as host material and bis-(1-phenylisoquinolyl)iridium(III)acetylacetonate (hereinafter abbreviated as "(piq)2Ir(acac)") as a dopant material in a weight ratio of 95:5.
- Next, a film of ((1,1'-bisphenyl)-4-olato)bis(2-methyl-8-quinolinolato)aluminum (hereinafter abbreviated as "BAlq") was vacuum-deposited with a thickness of 5nm on the light emitting layer to form a hole blocking layer, and a film of Bis(10-hydroxybenzo[h]quinolinato)beryllium (hereinafter abbreviated as "BeBq2") was formed with a thickness of 40nm to form an electron transport layer.
- Next, LiF as halogenated alkali metal was deposited with a thickness of 0.2nm on the electron transport layer to form an electron injection layer, and then Al was deposited with a thickness of 150nm on the electron injection layer to form a cathode.
- OLEDs were manufactured in the same manner as described in Example 1, except that any one of the compounds of the present invention in the Table 4 below was used as host material of the light emitting layer, instead of the inventive compound 1-1.
-
- A forward bias DC voltage was applied to each of the OLEDs manufactured through the Examples 1 to 44 and Comparative Examples 1 to 4, and electro-luminescence (EL) characteristics of the OLED were measured by PR-650 (Photo research). T95 life span was measured by life span measuring equipment (Mc science) at reference brightness of 2500cd/m2. Table 4 below shows results of fabrication and evaluation of OLED.
[Table 4] compound Voltage (V) Current Density (mA/cm2) Brightness (cd/m2) Efficiency (cd/A) T(95) CIE X Y comp.Ex(1) comp.Com 1 6.1 26.9 2500 10.3 112.1 0.65 0.32 comp.Ex(2) comp.Com 2 6.0 24.0 2500 13.8 110.8 0.66 0.33 comp.Ex(3) comp.Com 3 5.8 22.9 2500 11.4 108.3 0.65 0.33 comp.Ex(4) comp.Com 4 5.6 18.5 2500 18.2 119.7 0.66 0.32 Ex.(1) Com. 1-1 5.2 14.6 2500 26.1 162.7 0.68 0.33 Ex.(2) Com. 1-2 5. 2 14.5 2500 26.2 163.1 0.68 0.33 Ex.(3) Com. 1-4 5.2 14.2 2500 26.6 162.2 0.68 0.33 Ex.(4) Com. 1-6 5.2 14.4 2500 26.3 160.2 0.68 0.32 Ex.(5) Com. 1-8 5.2 14.1 2500 26.7 158.1 0.68 0.33 Ex.(6) Com. 1-16 5.1 14.1 2500 26.7 158.4 0.68 0.33 Ex.(7) Com. 1-26 5.1 14.0 2500 26.9 159.0 0.68 0.33 Ex.(8) Com. 1-34 5.2 13.2 2500 28.0 158.8 0.68 0.32 Ex.(9) Com. 1-39 5.2 13.6 2500 27.4 158.4 0.68 0.32 Ex.(10) Com. 1-44 5.2 14.2 2500 26.6 158.2 0.68 0.33 Ex.(11) Com. 5-1 5.2 13.9 2500 27.0 157.7 0.68 0.32 Ex.(12) Com. 5-2 5.2 14.1 2500 26.7 156.5 0.68 0.32 Ex.(13) Com. 5-7 5.2 14.4 2500 26.3 156.3 0.68 0.32 Ex.(14) Com. 5-8 5.2 14.2 2500 26.6 154.1 0.68 0.33 Ex.(15) Com. 5-9 5.2 13.8 2500 27.1 153.4 0.68 0.33 Ex.(16) Com. 5-11 5.2 14.5 2500 26.2 152.8 0.68 0.33 Ex.(17) Com. 5-24 5.1 14.7 2500 26.0 152.7 0.68 0.33 Ex.(18) Com. 5-26 5.1 14.4 2500 26.4 151.9 0.68 0.33 Ex.(19) Com. 5-31 5.1 14.2 2500 26.7 151.5 0.68 0.33 Ex.(20) Com. 5-42 5.2 13.7 2500 27.3 151.4 0.68 0.33 Ex.(21) Com. 5-44 5.2 14.0 2500 26.8 149.2 0.68 0.33 Ex.(22) Com. 3-1 5.3 14.2 2500 26.6 153.0 0.68 0.33 Ex.(23) Com. 3-2 5.3 14.6 2500 26.1 150.8 0.68 0.33 Ex.(24) Com. 3-4 5.3 14.4 2500 26.4 151.4 0.68 0.33 Ex.(25) Com. 3-15 5.3 14.5 2500 26.3 149.5 0.68 0.32 Ex.(26) Com. 3-19 5.2 14.2 2500 26.6 143.8 0.68 0.32 Ex.(27) Com. 3-36 5.3 14.0 2500 26.9 144.2 0.68 0.32 Ex.(28) Com. 3-44 5.3 14.1 2500 26.7 139.2 0.68 0.33 Ex.(29) Com. 3-45 5.3 14.0 2500 26.9 141.7 0.68 0.33 Ex.(30) Com. 2-1 5.3 14.6 2500 26.1 145.9 0.68 0.33 Ex.(31) Com. 2-4 5.2 14.4 2500 26.4 140.2 0.68 0.32 Ex.(32) Com. 2-5 5.2 14.3 2500 26.5 139.4 0.68 0.33 Ex.(33) Com. 2-9 5.3 14.0 2500 26.9 139.9 0.68 0.33 Ex.(34) Com. 6-1 5.4 14.5 2500 26.2 138.8 0.68 0.33 Ex.(35) Com. 6-2 5.4 14.5 2500 26.3 133.1 0.68 0.32 Ex.(36) Com. 6-3 5.4 14.6 2500 26.1 134.2 0.68 0.32 0.33 Ex.(37) Com. 6-5 5.4 14.4 2500 26.4 131.6 0.68 Ex.(38) Com. 6-7 5.3 14.7 2500 26.0 135.3 0.68 0.33 Ex.(39) Com. 6-9 5.2 14.8 2500 25.9 133.5 0.68 0.33 Ex.(40) Com. 6-12 5.4 14.5 2500 26.3 131.4 0.68 0.32 Ex.(41) Com. 6-15 5. 6 15.0 2500 25.7 129.2 0.68 0.33 Ex.(42) Com. 4-1 5.5 15.5 2500 25.1 133.1 0.68 0.33 Ex.(43) Com. 4-2 5.5 16.4 2500 24.2 130.5 0.68 0.33 Ex.(44) Com. 4-9 5.5 14.8 2500 25.9 130.2 0.68 0.32 - As can be seen from the results of Table 4, it was confirmed that in case of Examples 1 to 44 using compound according to one embodiment of the present invention as a phosphorescent host, the driving voltage, luminescent efficiency, life span and color purity were significantly improved as compared to Comparative Examples 1 to 4.
- At present, the present inventors are studying to lower power consumption, increase efficiency and color purity, and a sub-substituent having excellent electron mobility is required. Therefore, the fused pyrazine type substituent which has better electron transfer properties than the substituents of the fused pyrimidine type used in conventional phosphorescent red host.was introduced. In fact, it was confirmed that the introduction of a specific substituent (fused pyrazine type) such as
comparative compound 4 is excellent in the electron mobility and thus the efficiency is increased and the driving voltage is lowered.[Table 5] Fused pyrazine type (The present invention) Fused pyrimidine Quinoxaline, benzoquinoxaline, dibenzoquinoxaline, benzothienopyrazine, benzofuropyrazine, etc. Quinazoline, benzoquinazoline, dibenzoquinazoline, benzothienopyrimidine, benzofuropyrimidine, etc. (The definition of the B ring is the same as the B ring of claim 1) - Comparing Comparative Examples 1 to 3 with Comparative Example 4, it was confirmed that Comparative Example 4 having quinoxaline(a fused pyrazine) as a sub substituent showed the improved efficiency and remarkably improved driving voltage, compared with
Comparative Compounds 1 to 3 in which fused pyrimidine was bonded as a sub substituent having a different N substitution position. It can be explained that the energy band gap is changed and electron mobility becomes high due to the binding of specific substituents even if the core is the same. - That is, in the case of the compound of the present invention in which fused pyrazine is introduced as a sub-substituent instead of fused pyrimidine, electron injection from the ETL into a light emitting layer becomes easier as the LUMO level becomes lower and the charge balance in a light emitting layer is improved, and thus it is considered that the driving voltage and the lifetime are improved.
- In addition, it seems that efficiency is improved because the conjugation length becomes longer and the charge transfer to the dopant becomes easy as benzene being more fused at a specific position of the 6-ring heterocyclic core. It can be confirmed that the PL wavelength is red shifted when a benzene ring is formed at a specific position of the core (Comparison of PL data of
Comparative Compound 4 and the inventive Compound 1-1: long wavelength from 527 nm to 555 nm). It can be confirmed that the efficiency and color purity are improved because the charge transfer to the dopant is facilitated by making the wavelength of the host longer wavelength. - It is considered that as a result, HOMO / LUMO, T1 value and energy band gap are optimized so that the charge transfer from the host to the dopant can be smoothly performed as the effect of the fused pyrazine type substituent(high charge carrier mobility, improved driving voltage) and the formation of additional benzene rings at specific positions of the core (7 ring), thereby improving the performance of the device as a whole.
[Table 6] <PL data of comparative compounds 1 to 4 and compound 1-1 of the present invention>comp.Com 1 comp.Com 2 comp.Com 3 comp.Com 4 The inventive Com. 1-1 PL (nm) 515 497 507 527 555 - Refer to
Fig.4 . - Although exemplary embodiments of the present invention have been described for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. Therefore, the embodiment disclosed in the present invention is intended to illustrate the scope of the technical idea of the present invention, and the scope of the present invention is not limited by the embodiment. The scope of the present invention shall be construed on the basis of the accompanying claims, and it shall be construed that all of the technical ideas included within the scope equivalent to the claims belong to the present invention.
"*" indicates the position to be bonded,
When Re to Rj are an aryl group, preferably Re to Rj may be each a C6-C30 aryl group, more preferably a C6-C18 aryl group. When Re to Rj are a heterocyclic group, preferably Re to Rj may be each a C2-C40 heterocyclic group, more preferably a C2-C30 heterocyclic group, more preferably a C2-C20 heterocyclic group.
Claims (12)
- A compound of Formula 1 below:1) A ring is C10 aryl group,2) B ring is selected from the group consisting of the following formulas B-1 to B-16:3) W1 and W2 are each independently a single bond, S or O,4) V is N or C,5) X is O or S,6) a is an integer of 0 to 6, b and c are each an integer of 0 to 4, d is an integer of 0 to 11,7) R1, R2, R3 and R4 are the same or different from each other, and are each independently selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a nitro group, a C6-C60 aryl group, a fluorenyl group, a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, a C1-C50 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C1-C30 alkoxyl group, a C6-C30 aryloxyl group and -L'-N(Ra)(Rb),
or when a, b and c are 2 or more, R1, R2 and R3 are each in plural and are the same or different, and a plurity of R1, a plurity of R2, or a plurity of R3 may be bonded to each other to form a ring,8) L' is selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and a C2-C60 heterocyclic group, and Ra and Rb are each independently selected from the group consisting of a C6-C60 aryl group, a fluorenyl group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P,9) L1 is each independently selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and a C2-C60 heterocyclic group, and
the aryl group, fluorenyl group, arylene group, heterocyclic group, fused ring group, alkyl group, alkenyl group, alkoxyl group, and aryloxy group may be each optionally further substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, - L'-N(Ra)(Rb), a C1-C20 alkylthio group, a C1-C20 alkoxyl group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted with deuterium, a fluorenyl group, a C2-C20 heterocyclic group, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group, and these substituents may be linked each other to form a ring, wherein 'ring' is a C3-C60 aliphatic ring, a C6-C60 aromatic ring, a C2-C60 heterocyclic group or a fused ring formed by the combination of them, which includes a saturated or unsaturated ring. - The compound of claim 1, wherein R4 of Formula 1 is represented by any one of the following formulas R-1 to R-10:1) Q1 to Q15 are each independently CRg or N,2) W1 is S, O or NRh,3) W2 to W4 are each independently S, O, NRh or CRiRj,4) Re is selected from the group consisting of hydrogen, deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxyl group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted with deuterium, a fluorenyl group, a C2-C20 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group, and when these substituents are adjacent, they may be linked each other to form a ring,5) Rf and Rg are each independently selected from the group consisting of hydrogen, deuterium, a C6-C20 aryl group, a fluorenyl group, a fused ring group of a C3-C20 aliphatic ring and a C6-C20 aromatic ring, a C2-C20 heterocyclic group containing at least one heteroatom selected from O, N, S, Si, and P, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, and a C1-C30 alkoxyl group,6) Rh, Ri and Rj are each independently selected from the group consisting of a C6-C20 aryl group, a C2-C20 heterocyclic group containing at least one heteroatom selected from O, N, S, Si, and P, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C1-C20 alkoxyl group and a fluorenyl group, Ri and Rj may be linked each other to form a spiro compound together with C to which they are bonded,7) q is each independently an integer of 0 to 5,8) r is each independently an integer of 0 to 4,9) s is each independently an integer of 0 to 3,when q, r and s are each 2 or more, Re is each the same or different, and * indicates the position to be bonded.
- An organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises the compound according to any of claims 1 to 6.
- The organic electric element of claim 7, wherein the compound is comprised in at least one layer of a hole injection layer, a hole transport layer, an emission-auxiliary layer, an electron transport-auxiliary layer, an electron transport layer and an light emitting layer, and the compound is comprised as a single compound or a mixture of two or more different kinds.
- The organic electric element of claim 7, wherein the compound is used as a phosphorescent host material of the light emitting layer.
- The organic electric element of claim 7, wherein the organic material layer is formed by any one of the processes of spin coating, nozzle printing, inkjet printing, slot coating, dip coating or roll-to-roll.
- An electronic device comprising a display device and a control unit for driving the display device, wherein the display device comprises the organic electric element of claim 7.
- The electronic device of claim 11, wherein the organic electric element is selected from the group consisting of an organic light emitting diode, an organic solar cell, an organic photo conductor, an organic transistor, and an element for monochromatic or white illumination.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020160050517 | 2016-04-26 | ||
KR1020170050859A KR101796974B1 (en) | 2016-04-26 | 2017-04-20 | Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof |
PCT/KR2017/004320 WO2017188676A1 (en) | 2016-04-26 | 2017-04-24 | Compound for organic electronic element, organic electronic element using same, and electronic device thereof |
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EP3326998A1 true EP3326998A1 (en) | 2018-05-30 |
EP3326998A4 EP3326998A4 (en) | 2019-03-27 |
EP3326998B1 EP3326998B1 (en) | 2020-12-02 |
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EP (1) | EP3326998B1 (en) |
JP (1) | JP6469310B2 (en) |
KR (1) | KR101796974B1 (en) |
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Cited By (1)
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JP2020066609A (en) * | 2018-10-26 | 2020-04-30 | 株式会社半導体エネルギー研究所 | Organic compound, light-emitting device, light-emitting apparatus, electronic equipment and lighting apparatus |
Families Citing this family (7)
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KR102491829B1 (en) * | 2016-12-28 | 2023-01-25 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Light-emitting element, organic compound, light-emitting device, electronic device, and lighting device |
US20190031673A1 (en) * | 2017-07-27 | 2019-01-31 | Semiconductor Energy Laboratory Co., Ltd. | Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device |
KR102455286B1 (en) * | 2017-11-17 | 2022-10-18 | 덕산네오룩스 주식회사 | Organic electronic element comprising compound for organic electronic element and electronic device thereof |
KR102471570B1 (en) * | 2017-11-30 | 2022-11-28 | 덕산네오룩스 주식회사 | Compound for organic electronic element, organic electronic element comprising the same, and electronic device thereof |
CN110330506A (en) * | 2019-04-29 | 2019-10-15 | 宁波卢米蓝新材料有限公司 | A kind of fused-polycyclic compounds and its preparation method and application |
CN111057014A (en) * | 2019-12-27 | 2020-04-24 | 吉林奥来德光电材料股份有限公司 | Organic electroluminescent compound, preparation method thereof and electroluminescent device |
KR102549461B1 (en) * | 2020-05-14 | 2023-06-29 | 주식회사 엘지화학 | Organic light emitting device |
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KR102054229B1 (en) * | 2012-01-13 | 2019-12-11 | 덕산네오룩스 주식회사 | Compound for organic electronic element, organic electronic element using the same, and a electronic device thereof |
WO2013105747A1 (en) * | 2012-01-13 | 2013-07-18 | 덕산하이메탈(주) | Compound for organic electronic element, organic electronic element using same and electronic device thereof |
KR102109485B1 (en) * | 2013-05-15 | 2020-05-12 | 덕산네오룩스 주식회사 | Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof |
KR102098063B1 (en) * | 2013-05-21 | 2020-04-07 | 덕산네오룩스 주식회사 | Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof |
WO2015037965A1 (en) * | 2013-09-16 | 2015-03-19 | Rohm And Haas Electronic Materials Korea Ltd. | Novel organic electroluminescent compounds and organic electroluminescent device comprising the same |
KR102251474B1 (en) * | 2013-09-16 | 2021-05-17 | 롬엔드하스전자재료코리아유한회사 | Novel organic electroluminescent compounds and organic electroluminescent device comprising the same |
WO2015142036A1 (en) * | 2014-03-17 | 2015-09-24 | Rohm And Haas Electronic Materials Korea Ltd. | Electron buffering material and organic electroluminescent device comprising the same |
KR101884173B1 (en) * | 2014-05-23 | 2018-08-02 | 롬엔드하스전자재료코리아유한회사 | An organic electroluminescent compound and an organic electroluminescent device comprising the same |
WO2015178731A1 (en) * | 2014-05-23 | 2015-11-26 | Rohm And Haas Electronic Materials Korea Ltd. | An organic electroluminescent compound and an organic electroluminescent device comprising the same |
KR20150141147A (en) * | 2014-06-09 | 2015-12-17 | 롬엔드하스전자재료코리아유한회사 | An organic electroluminescent compound and an organic electroluminescent device comprising the same |
US9917257B2 (en) * | 2014-07-24 | 2018-03-13 | Duk San Neolux Co., Ltd. | Organic electronic element and an electronic device comprising it |
KR102445503B1 (en) * | 2014-08-20 | 2022-09-22 | 롬엔드하스전자재료코리아유한회사 | Multi-component host material and an organic electroluminescence device comprising the same |
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2017
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- 2017-04-24 EP EP17789860.8A patent/EP3326998B1/en active Active
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JP2020066609A (en) * | 2018-10-26 | 2020-04-30 | 株式会社半導体エネルギー研究所 | Organic compound, light-emitting device, light-emitting apparatus, electronic equipment and lighting apparatus |
Also Published As
Publication number | Publication date |
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CN107922311B (en) | 2019-12-17 |
EP3326998B1 (en) | 2020-12-02 |
JP6469310B2 (en) | 2019-02-13 |
JP2018531885A (en) | 2018-11-01 |
KR20170122121A (en) | 2017-11-03 |
EP3326998A4 (en) | 2019-03-27 |
KR101796974B1 (en) | 2017-12-12 |
CN107922311A (en) | 2018-04-17 |
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